12666280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2617}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 31337460

約数和(自身を除く): 18671180

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 2617, 4840, 5234, 10468, 13085, 20936, 26170, 28787, 52340, 57574, 104680, 115148, 143935, 230296, 287870, 316657, 575740, 633314, 1151480, 1266628, 1583285, 2533256, 3166570, 6333140, 12666280]

約数ペア:

[(1, 12666280), (2, 6333140), (4, 3166570), (5, 2533256), (8, 1583285), (10, 1266628), (11, 1151480), (20, 633314), (22, 575740), (40, 316657), (44, 287870), (55, 230296), (88, 143935), (110, 115148), (121, 104680), (220, 57574), (242, 52340), (440, 28787), (484, 26170), (605, 20936), (968, 13085), (1210, 10468), (2420, 5234), (2617, 4840)]