8431540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32429}}^1$

素因数の和:32451

約数の個数: 24

約数和(自身を含む): 19068840

約数和(自身を除く): 10637300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32429, 64858, 129716, 162145, 324290, 421577, 648580, 843154, 1686308, 2107885, 4215770, 8431540]

約数ペア:

[(1, 8431540), (2, 4215770), (4, 2107885), (5, 1686308), (10, 843154), (13, 648580), (20, 421577), (26, 324290), (52, 162145), (65, 129716), (130, 64858), (260, 32429)]