28315250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 54031536

約数和(自身を除く): 25716286

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2137, 2650, 4274, 6625, 10685, 13250, 21370, 53425, 106850, 113261, 226522, 267125, 534250, 566305, 1132610, 2831525, 5663050, 14157625, 28315250]

約数ペア:

[(1, 28315250), (2, 14157625), (5, 5663050), (10, 2831525), (25, 1132610), (50, 566305), (53, 534250), (106, 267125), (125, 226522), (250, 113261), (265, 106850), (530, 53425), (1325, 21370), (2137, 13250), (2650, 10685), (4274, 6625)]