38990990

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{10861}}^1$

素因数の和:11227

約数の個数: 16

約数和(自身を含む): 70385760

約数和(自身を除く): 31394770

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 10861, 21722, 54305, 108610, 3899099, 7798198, 19495495, 38990990]

約数ペア:

[(1, 38990990), (2, 19495495), (5, 7798198), (10, 3899099), (359, 108610), (718, 54305), (1795, 21722), (3590, 10861)]