80814910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2711}}^1$

素因数の和:3000

約数の個数: 32

約数和(自身を含む): 159335424

約数和(自身を除く): 78520514

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2711, 2981, 5422, 5962, 13555, 14905, 27110, 29810, 29821, 59642, 149105, 298210, 734681, 1469362, 3673405, 7346810, 8081491, 16162982, 40407455, 80814910]

約数ペア:

[(1, 80814910), (2, 40407455), (5, 16162982), (10, 8081491), (11, 7346810), (22, 3673405), (55, 1469362), (110, 734681), (271, 298210), (542, 149105), (1355, 59642), (2710, 29821), (2711, 29810), (2981, 27110), (5422, 14905), (5962, 13555)]