8219251640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2601029}}^1$

素因数の和:2601119

約数の個数: 32

約数和(自身を含む): 18727416000

約数和(自身を除く): 10508164360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 2601029, 5202058, 10404116, 13005145, 20808232, 26010290, 52020580, 104041160, 205481291, 410962582, 821925164, 1027406455, 1643850328, 2054812910, 4109625820, 8219251640]

約数ペア:

[(1, 8219251640), (2, 4109625820), (4, 2054812910), (5, 1643850328), (8, 1027406455), (10, 821925164), (20, 410962582), (40, 205481291), (79, 104041160), (158, 52020580), (316, 26010290), (395, 20808232), (632, 13005145), (790, 10404116), (1580, 5202058), (3160, 2601029)]