80812820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3433}}^1$

素因数の和:3560

約数の個数: 48

約数和(自身を含む): 186919488

約数和(自身を除く): 106106668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 3433, 4708, 5885, 6866, 11770, 13732, 17165, 23540, 34330, 37763, 68660, 75526, 151052, 188815, 367331, 377630, 734662, 755260, 1469324, 1836655, 3673310, 4040641, 7346620, 8081282, 16162564, 20203205, 40406410, 80812820]

約数ペア:

[(1, 80812820), (2, 40406410), (4, 20203205), (5, 16162564), (10, 8081282), (11, 7346620), (20, 4040641), (22, 3673310), (44, 1836655), (55, 1469324), (107, 755260), (110, 734662), (214, 377630), (220, 367331), (428, 188815), (535, 151052), (1070, 75526), (1177, 68660), (2140, 37763), (2354, 34330), (3433, 23540), (4708, 17165), (5885, 13732), (6866, 11770)]