99745640

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{2029}}^1$

素因数の和:3269

約数の個数: 32

約数和(自身を含む): 224721000

約数和(自身を除く): 124975360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2029, 2458, 4058, 4916, 6145, 8116, 9832, 10145, 12290, 16232, 20290, 24580, 40580, 49160, 81160, 2493641, 4987282, 9974564, 12468205, 19949128, 24936410, 49872820, 99745640]

約数ペア:

[(1, 99745640), (2, 49872820), (4, 24936410), (5, 19949128), (8, 12468205), (10, 9974564), (20, 4987282), (40, 2493641), (1229, 81160), (2029, 49160), (2458, 40580), (4058, 24580), (4916, 20290), (6145, 16232), (8116, 12290), (9832, 10145)]