12560540

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{953}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 26444880

約数和(自身を除く): 13884340

約数列:

[1, 2, 4, 5, 10, 20, 659, 953, 1318, 1906, 2636, 3295, 3812, 4765, 6590, 9530, 13180, 19060, 628027, 1256054, 2512108, 3140135, 6280270, 12560540]

約数ペア:

[(1, 12560540), (2, 6280270), (4, 3140135), (5, 2512108), (10, 1256054), (20, 628027), (659, 19060), (953, 13180), (1318, 9530), (1906, 6590), (2636, 4765), (3295, 3812)]