56242420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216317}}^1$

素因数の和:216339

約数の個数: 24

約数和(自身を含む): 127194984

約数和(自身を除く): 70952564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216317, 432634, 865268, 1081585, 2163170, 2812121, 4326340, 5624242, 11248484, 14060605, 28121210, 56242420]

約数ペア:

[(1, 56242420), (2, 28121210), (4, 14060605), (5, 11248484), (10, 5624242), (13, 4326340), (20, 2812121), (26, 2163170), (52, 1081585), (65, 865268), (130, 432634), (260, 216317)]