40420820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 93054528

約数和(自身を除く): 52633708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 587, 626, 1174, 1252, 1565, 2348, 2935, 3130, 3443, 5870, 6260, 6457, 6886, 11740, 12914, 13772, 17215, 25828, 32285, 34430, 64570, 68860, 129140, 183731, 367462, 734924, 918655, 1837310, 2021041, 3674620, 4042082, 8084164, 10105205, 20210410, 40420820]

約数ペア:

[(1, 40420820), (2, 20210410), (4, 10105205), (5, 8084164), (10, 4042082), (11, 3674620), (20, 2021041), (22, 1837310), (44, 918655), (55, 734924), (110, 367462), (220, 183731), (313, 129140), (587, 68860), (626, 64570), (1174, 34430), (1252, 32285), (1565, 25828), (2348, 17215), (2935, 13772), (3130, 12914), (3443, 11740), (5870, 6886), (6260, 6457)]