81120380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{368729}}^1$

素因数の和:368749

約数の個数: 24

約数和(自身を含む): 185839920

約数和(自身を除く): 104719540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 368729, 737458, 1474916, 1843645, 3687290, 4056019, 7374580, 8112038, 16224076, 20280095, 40560190, 81120380]

約数ペア:

[(1, 81120380), (2, 40560190), (4, 20280095), (5, 16224076), (10, 8112038), (11, 7374580), (20, 4056019), (22, 3687290), (44, 1843645), (55, 1474916), (110, 737458), (220, 368729)]