56729420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257861}}^1$

素因数の和:257881

約数の個数: 24

約数和(自身を含む): 129962448

約数和(自身を除く): 73233028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257861, 515722, 1031444, 1289305, 2578610, 2836471, 5157220, 5672942, 11345884, 14182355, 28364710, 56729420]

約数ペア:

[(1, 56729420), (2, 28364710), (4, 14182355), (5, 11345884), (10, 5672942), (11, 5157220), (20, 2836471), (22, 2578610), (44, 1289305), (55, 1031444), (110, 515722), (220, 257861)]