56258540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216379}}^1$

素因数の和:216401

約数の個数: 24

約数和(自身を含む): 127231440

約数和(自身を除く): 70972900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216379, 432758, 865516, 1081895, 2163790, 2812927, 4327580, 5625854, 11251708, 14064635, 28129270, 56258540]

約数ペア:

[(1, 56258540), (2, 28129270), (4, 14064635), (5, 11251708), (10, 5625854), (13, 4327580), (20, 2812927), (26, 2163790), (52, 1081895), (65, 865516), (130, 432758), (260, 216379)]