12247240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 28343700

約数和(自身を除く): 16096460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 872, 1060, 1090, 2120, 2180, 2809, 4360, 5618, 5777, 11236, 11554, 14045, 22472, 23108, 28090, 28885, 46216, 56180, 57770, 112360, 115540, 231080, 306181, 612362, 1224724, 1530905, 2449448, 3061810, 6123620, 12247240]

約数ペア:

[(1, 12247240), (2, 6123620), (4, 3061810), (5, 2449448), (8, 1530905), (10, 1224724), (20, 612362), (40, 306181), (53, 231080), (106, 115540), (109, 112360), (212, 57770), (218, 56180), (265, 46216), (424, 28885), (436, 28090), (530, 23108), (545, 22472), (872, 14045), (1060, 11554), (1090, 11236), (2120, 5777), (2180, 5618), (2809, 4360)]