64312040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123677}}^1$

素因数の和:123701

約数の個数: 32

約数和(自身を含む): 155834280

約数和(自身を除く): 91522240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 123677, 247354, 494708, 618385, 989416, 1236770, 1607801, 2473540, 3215602, 4947080, 6431204, 8039005, 12862408, 16078010, 32156020, 64312040]

約数ペア:

[(1, 64312040), (2, 32156020), (4, 16078010), (5, 12862408), (8, 8039005), (10, 6431204), (13, 4947080), (20, 3215602), (26, 2473540), (40, 1607801), (52, 1236770), (65, 989416), (104, 618385), (130, 494708), (260, 247354), (520, 123677)]