2798620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12721}}^1$

素因数の和:12741

約数の個数: 24

約数和(自身を含む): 6411888

約数和(自身を除く): 3613268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12721, 25442, 50884, 63605, 127210, 139931, 254420, 279862, 559724, 699655, 1399310, 2798620]

約数ペア:

[(1, 2798620), (2, 1399310), (4, 699655), (5, 559724), (10, 279862), (11, 254420), (20, 139931), (22, 127210), (44, 63605), (55, 50884), (110, 25442), (220, 12721)]