85877480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 209260800

約数和(自身を除く): 123383320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 239, 260, 478, 520, 691, 956, 1195, 1382, 1912, 2390, 2764, 3107, 3455, 4780, 5528, 6214, 6910, 8983, 9560, 12428, 13820, 15535, 17966, 24856, 27640, 31070, 35932, 44915, 62140, 71864, 89830, 124280, 165149, 179660, 330298, 359320, 660596, 825745, 1321192, 1651490, 2146937, 3302980, 4293874, 6605960, 8587748, 10734685, 17175496, 21469370, 42938740, 85877480]

約数ペア:

[(1, 85877480), (2, 42938740), (4, 21469370), (5, 17175496), (8, 10734685), (10, 8587748), (13, 6605960), (20, 4293874), (26, 3302980), (40, 2146937), (52, 1651490), (65, 1321192), (104, 825745), (130, 660596), (239, 359320), (260, 330298), (478, 179660), (520, 165149), (691, 124280), (956, 89830), (1195, 71864), (1382, 62140), (1912, 44915), (2390, 35932), (2764, 31070), (3107, 27640), (3455, 24856), (4780, 17966), (5528, 15535), (6214, 13820), (6910, 12428), (8983, 9560)]