39952640

素因数分解:

$2^8\times 5^1\times 7^4\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 180

約数和(自身を含む): 120230124

約数和(自身を除く): 80277484

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 343, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 686, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1372, 1456, 1568, 1664, 1715, 1792, 1820, 1960, 2080, 2240, 2401, 2548, 2744, 2912, 3136, 3185, 3328, 3430, 3640, 3920, 4160, 4459, 4480, 4802, 5096, 5488, 5824, 6272, 6370, 6860, 7280, 7840, 8320, 8918, 8960, 9604, 10192, 10976, 11648, 12005, 12544, 12740, 13720, 14560, 15680, 16640, 17836, 19208, 20384, 21952, 22295, 23296, 24010, 25480, 27440, 29120, 31213, 31360, 35672, 38416, 40768, 43904, 44590, 48020, 50960, 54880, 58240, 62426, 62720, 71344, 76832, 81536, 87808, 89180, 96040, 101920, 109760, 116480, 124852, 142688, 153664, 156065, 163072, 178360, 192080, 203840, 219520, 249704, 285376, 307328, 312130, 356720, 384160, 407680, 439040, 499408, 570752, 614656, 624260, 713440, 768320, 815360, 998816, 1141504, 1248520, 1426880, 1536640, 1997632, 2497040, 2853760, 3073280, 3995264, 4994080, 5707520, 7990528, 9988160, 19976320, 39952640]

約数ペア:

[(1, 39952640), (2, 19976320), (4, 9988160), (5, 7990528), (7, 5707520), (8, 4994080), (10, 3995264), (13, 3073280), (14, 2853760), (16, 2497040), (20, 1997632), (26, 1536640), (28, 1426880), (32, 1248520), (35, 1141504), (40, 998816), (49, 815360), (52, 768320), (56, 713440), (64, 624260), (65, 614656), (70, 570752), (80, 499408), (91, 439040), (98, 407680), (104, 384160), (112, 356720), (128, 312130), (130, 307328), (140, 285376), (160, 249704), (182, 219520), (196, 203840), (208, 192080), (224, 178360), (245, 163072), (256, 156065), (260, 153664), (280, 142688), (320, 124852), (343, 116480), (364, 109760), (392, 101920), (416, 96040), (448, 89180), (455, 87808), (490, 81536), (520, 76832), (560, 71344), (637, 62720), (640, 62426), (686, 58240), (728, 54880), (784, 50960), (832, 48020), (896, 44590), (910, 43904), (980, 40768), (1040, 38416), (1120, 35672), (1274, 31360), (1280, 31213), (1372, 29120), (1456, 27440), (1568, 25480), (1664, 24010), (1715, 23296), (1792, 22295), (1820, 21952), (1960, 20384), (2080, 19208), (2240, 17836), (2401, 16640), (2548, 15680), (2744, 14560), (2912, 13720), (3136, 12740), (3185, 12544), (3328, 12005), (3430, 11648), (3640, 10976), (3920, 10192), (4160, 9604), (4459, 8960), (4480, 8918), (4802, 8320), (5096, 7840), (5488, 7280), (5824, 6860), (6272, 6370)]