26397280

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 192

約数和(自身を含む): 80438400

約数和(自身を除く): 54041120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 49, 52, 56, 65, 70, 74, 80, 91, 98, 104, 112, 130, 140, 148, 160, 182, 185, 196, 208, 224, 245, 259, 260, 280, 296, 343, 364, 370, 392, 416, 455, 481, 490, 518, 520, 560, 592, 637, 686, 728, 740, 784, 910, 962, 980, 1036, 1040, 1120, 1184, 1274, 1295, 1372, 1456, 1480, 1568, 1715, 1813, 1820, 1924, 1960, 2072, 2080, 2405, 2548, 2590, 2744, 2912, 2960, 3185, 3367, 3430, 3626, 3640, 3848, 3920, 4144, 4459, 4810, 5096, 5180, 5488, 5920, 6370, 6734, 6860, 7252, 7280, 7696, 7840, 8288, 8918, 9065, 9620, 10192, 10360, 10976, 12691, 12740, 13468, 13720, 14504, 14560, 15392, 16835, 17836, 18130, 19240, 20384, 20720, 22295, 23569, 25382, 25480, 26936, 27440, 29008, 33670, 35672, 36260, 38480, 41440, 44590, 47138, 50764, 50960, 53872, 54880, 58016, 63455, 67340, 71344, 72520, 76960, 89180, 94276, 101528, 101920, 107744, 117845, 126910, 134680, 142688, 145040, 164983, 178360, 188552, 203056, 235690, 253820, 269360, 290080, 329966, 356720, 377104, 406112, 471380, 507640, 538720, 659932, 713440, 754208, 824915, 942760, 1015280, 1319864, 1649830, 1885520, 2030560, 2639728, 3299660, 3771040, 5279456, 6599320, 13198640, 26397280]

約数ペア:

[(1, 26397280), (2, 13198640), (4, 6599320), (5, 5279456), (7, 3771040), (8, 3299660), (10, 2639728), (13, 2030560), (14, 1885520), (16, 1649830), (20, 1319864), (26, 1015280), (28, 942760), (32, 824915), (35, 754208), (37, 713440), (40, 659932), (49, 538720), (52, 507640), (56, 471380), (65, 406112), (70, 377104), (74, 356720), (80, 329966), (91, 290080), (98, 269360), (104, 253820), (112, 235690), (130, 203056), (140, 188552), (148, 178360), (160, 164983), (182, 145040), (185, 142688), (196, 134680), (208, 126910), (224, 117845), (245, 107744), (259, 101920), (260, 101528), (280, 94276), (296, 89180), (343, 76960), (364, 72520), (370, 71344), (392, 67340), (416, 63455), (455, 58016), (481, 54880), (490, 53872), (518, 50960), (520, 50764), (560, 47138), (592, 44590), (637, 41440), (686, 38480), (728, 36260), (740, 35672), (784, 33670), (910, 29008), (962, 27440), (980, 26936), (1036, 25480), (1040, 25382), (1120, 23569), (1184, 22295), (1274, 20720), (1295, 20384), (1372, 19240), (1456, 18130), (1480, 17836), (1568, 16835), (1715, 15392), (1813, 14560), (1820, 14504), (1924, 13720), (1960, 13468), (2072, 12740), (2080, 12691), (2405, 10976), (2548, 10360), (2590, 10192), (2744, 9620), (2912, 9065), (2960, 8918), (3185, 8288), (3367, 7840), (3430, 7696), (3626, 7280), (3640, 7252), (3848, 6860), (3920, 6734), (4144, 6370), (4459, 5920), (4810, 5488), (5096, 5180)]