12789725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 18748800

約数和(自身を除く): 5959075

約数列:

[1, 5, 13, 23, 25, 29, 59, 65, 115, 145, 295, 299, 325, 377, 575, 667, 725, 767, 1357, 1475, 1495, 1711, 1885, 3335, 3835, 6785, 7475, 8555, 8671, 9425, 16675, 17641, 19175, 22243, 33925, 39353, 42775, 43355, 88205, 111215, 196765, 216775, 441025, 511589, 556075, 983825, 2557945, 12789725]

約数ペア:

[(1, 12789725), (5, 2557945), (13, 983825), (23, 556075), (25, 511589), (29, 441025), (59, 216775), (65, 196765), (115, 111215), (145, 88205), (295, 43355), (299, 42775), (325, 39353), (377, 33925), (575, 22243), (667, 19175), (725, 17641), (767, 16675), (1357, 9425), (1475, 8671), (1495, 8555), (1711, 7475), (1885, 6785), (3335, 3835)]