87495140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26839}}^1$

素因数の和:27011

約数の個数: 24

約数和(自身を含む): 184873920

約数和(自身を除く): 97378780

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 26839, 53678, 107356, 134195, 268390, 536780, 4374757, 8749514, 17499028, 21873785, 43747570, 87495140]

約数ペア:

[(1, 87495140), (2, 43747570), (4, 21873785), (5, 17499028), (10, 8749514), (20, 4374757), (163, 536780), (326, 268390), (652, 134195), (815, 107356), (1630, 53678), (3260, 26839)]