10987625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 15320448

約数和(自身を除く): 4332823

約数列:

[1, 5, 11, 25, 55, 61, 125, 131, 275, 305, 655, 671, 1375, 1441, 1525, 3275, 3355, 7205, 7625, 7991, 16375, 16775, 36025, 39955, 83875, 87901, 180125, 199775, 439505, 998875, 2197525, 10987625]

約数ペア:

[(1, 10987625), (5, 2197525), (11, 998875), (25, 439505), (55, 199775), (61, 180125), (125, 87901), (131, 83875), (275, 39955), (305, 36025), (655, 16775), (671, 16375), (1375, 7991), (1441, 7625), (1525, 7205), (3275, 3355)]