28010620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127321}}^1$

素因数の和:127341

約数の個数: 24

約数和(自身を含む): 64170288

約数和(自身を除く): 36159668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127321, 254642, 509284, 636605, 1273210, 1400531, 2546420, 2801062, 5602124, 7002655, 14005310, 28010620]

約数ペア:

[(1, 28010620), (2, 14005310), (4, 7002655), (5, 5602124), (10, 2801062), (11, 2546420), (20, 1400531), (22, 1273210), (44, 636605), (55, 509284), (110, 254642), (220, 127321)]