26519920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 77137920

約数和(自身を除く): 50618000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 71, 80, 92, 112, 115, 116, 140, 142, 145, 161, 184, 203, 230, 232, 280, 284, 290, 322, 355, 368, 406, 460, 464, 497, 560, 568, 580, 644, 667, 710, 805, 812, 920, 994, 1015, 1136, 1160, 1288, 1334, 1420, 1610, 1624, 1633, 1840, 1988, 2030, 2059, 2320, 2485, 2576, 2668, 2840, 3220, 3248, 3266, 3335, 3976, 4060, 4118, 4669, 4970, 5336, 5680, 6440, 6532, 6670, 7952, 8120, 8165, 8236, 9338, 9940, 10295, 10672, 11431, 12880, 13064, 13340, 14413, 16240, 16330, 16472, 18676, 19880, 20590, 22862, 23345, 26128, 26680, 28826, 32660, 32944, 37352, 39760, 41180, 45724, 46690, 47357, 53360, 57155, 57652, 65320, 72065, 74704, 82360, 91448, 93380, 94714, 114310, 115304, 130640, 144130, 164720, 182896, 186760, 189428, 228620, 230608, 236785, 288260, 331499, 373520, 378856, 457240, 473570, 576520, 662998, 757712, 914480, 947140, 1153040, 1325996, 1657495, 1894280, 2651992, 3314990, 3788560, 5303984, 6629980, 13259960, 26519920]

約数ペア:

[(1, 26519920), (2, 13259960), (4, 6629980), (5, 5303984), (7, 3788560), (8, 3314990), (10, 2651992), (14, 1894280), (16, 1657495), (20, 1325996), (23, 1153040), (28, 947140), (29, 914480), (35, 757712), (40, 662998), (46, 576520), (56, 473570), (58, 457240), (70, 378856), (71, 373520), (80, 331499), (92, 288260), (112, 236785), (115, 230608), (116, 228620), (140, 189428), (142, 186760), (145, 182896), (161, 164720), (184, 144130), (203, 130640), (230, 115304), (232, 114310), (280, 94714), (284, 93380), (290, 91448), (322, 82360), (355, 74704), (368, 72065), (406, 65320), (460, 57652), (464, 57155), (497, 53360), (560, 47357), (568, 46690), (580, 45724), (644, 41180), (667, 39760), (710, 37352), (805, 32944), (812, 32660), (920, 28826), (994, 26680), (1015, 26128), (1136, 23345), (1160, 22862), (1288, 20590), (1334, 19880), (1420, 18676), (1610, 16472), (1624, 16330), (1633, 16240), (1840, 14413), (1988, 13340), (2030, 13064), (2059, 12880), (2320, 11431), (2485, 10672), (2576, 10295), (2668, 9940), (2840, 9338), (3220, 8236), (3248, 8165), (3266, 8120), (3335, 7952), (3976, 6670), (4060, 6532), (4118, 6440), (4669, 5680), (4970, 5336)]