129612940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{14629}}^1$

素因数の和:15081

約数の個数: 24

約数和(自身を含む): 272820240

約数和(自身を除く): 143207300

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 14629, 29258, 58516, 73145, 146290, 292580, 6480647, 12961294, 25922588, 32403235, 64806470, 129612940]

約数ペア:

[(1, 129612940), (2, 64806470), (4, 32403235), (5, 25922588), (10, 12961294), (20, 6480647), (443, 292580), (886, 146290), (1772, 73145), (2215, 58516), (4430, 29258), (8860, 14629)]