15562625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 21394464

約数和(自身を除く): 5831839

約数列:

[1, 5, 13, 25, 61, 65, 125, 157, 305, 325, 785, 793, 1525, 1625, 2041, 3925, 3965, 7625, 9577, 10205, 19625, 19825, 47885, 51025, 99125, 124501, 239425, 255125, 622505, 1197125, 3112525, 15562625]

約数ペア:

[(1, 15562625), (5, 3112525), (13, 1197125), (25, 622505), (61, 255125), (65, 239425), (125, 124501), (157, 99125), (305, 51025), (325, 47885), (785, 19825), (793, 19625), (1525, 10205), (1625, 9577), (2041, 7625), (3925, 3965)]