30831580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118583}}^1$

素因数の和:118605

約数の個数: 24

約数和(自身を含む): 69727392

約数和(自身を除く): 38895812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118583, 237166, 474332, 592915, 1185830, 1541579, 2371660, 3083158, 6166316, 7707895, 15415790, 30831580]

約数ペア:

[(1, 30831580), (2, 15415790), (4, 7707895), (5, 6166316), (10, 3083158), (13, 2371660), (20, 1541579), (26, 1185830), (52, 592915), (65, 474332), (130, 237166), (260, 118583)]