31678240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 52147040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 439, 440, 451, 656, 820, 878, 880, 902, 1312, 1640, 1756, 1760, 1804, 2195, 2255, 3280, 3512, 3608, 4390, 4510, 4829, 6560, 7024, 7216, 8780, 9020, 9658, 14048, 14432, 17560, 17999, 18040, 19316, 24145, 35120, 35998, 36080, 38632, 48290, 70240, 71996, 72160, 77264, 89995, 96580, 143992, 154528, 179990, 193160, 197989, 287984, 359980, 386320, 395978, 575968, 719960, 772640, 791956, 989945, 1439920, 1583912, 1979890, 2879840, 3167824, 3959780, 6335648, 7919560, 15839120, 31678240]

約数ペア:

[(1, 31678240), (2, 15839120), (4, 7919560), (5, 6335648), (8, 3959780), (10, 3167824), (11, 2879840), (16, 1979890), (20, 1583912), (22, 1439920), (32, 989945), (40, 791956), (41, 772640), (44, 719960), (55, 575968), (80, 395978), (82, 386320), (88, 359980), (110, 287984), (160, 197989), (164, 193160), (176, 179990), (205, 154528), (220, 143992), (328, 96580), (352, 89995), (410, 77264), (439, 72160), (440, 71996), (451, 70240), (656, 48290), (820, 38632), (878, 36080), (880, 35998), (902, 35120), (1312, 24145), (1640, 19316), (1756, 18040), (1760, 17999), (1804, 17560), (2195, 14432), (2255, 14048), (3280, 9658), (3512, 9020), (3608, 8780), (4390, 7216), (4510, 7024), (4829, 6560)]