31701280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15241}}^1$

素因数の和:15269

約数の個数: 48

約数和(自身を含む): 80660664

約数和(自身を除く): 48959384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 15241, 30482, 60964, 76205, 121928, 152410, 198133, 243856, 304820, 396266, 487712, 609640, 792532, 990665, 1219280, 1585064, 1981330, 2438560, 3170128, 3962660, 6340256, 7925320, 15850640, 31701280]

約数ペア:

[(1, 31701280), (2, 15850640), (4, 7925320), (5, 6340256), (8, 3962660), (10, 3170128), (13, 2438560), (16, 1981330), (20, 1585064), (26, 1219280), (32, 990665), (40, 792532), (52, 609640), (65, 487712), (80, 396266), (104, 304820), (130, 243856), (160, 198133), (208, 152410), (260, 121928), (416, 76205), (520, 60964), (1040, 30482), (2080, 15241)]