81237860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{369263}}^1$

素因数の和:369283

約数の個数: 24

約数和(自身を含む): 186109056

約数和(自身を除く): 104871196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 369263, 738526, 1477052, 1846315, 3692630, 4061893, 7385260, 8123786, 16247572, 20309465, 40618930, 81237860]

約数ペア:

[(1, 81237860), (2, 40618930), (4, 20309465), (5, 16247572), (10, 8123786), (11, 7385260), (20, 4061893), (22, 3692630), (44, 1846315), (55, 1477052), (110, 738526), (220, 369263)]