15973750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1018

約数の個数: 40

約数和(自身を含む): 32277168

約数和(自身を除く): 16303418

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 983, 1250, 1625, 1966, 3250, 4915, 8125, 9830, 12779, 16250, 24575, 25558, 49150, 63895, 122875, 127790, 245750, 319475, 614375, 638950, 1228750, 1597375, 3194750, 7986875, 15973750]

約数ペア:

[(1, 15973750), (2, 7986875), (5, 3194750), (10, 1597375), (13, 1228750), (25, 638950), (26, 614375), (50, 319475), (65, 245750), (125, 127790), (130, 122875), (250, 63895), (325, 49150), (625, 25558), (650, 24575), (983, 16250), (1250, 12779), (1625, 9830), (1966, 8125), (3250, 4915)]