80641204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{77839}}^1$

素因数の和:77887

約数の個数: 24

約数和(自身を含む): 165643520

約数和(自身を除く): 85002316

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 77839, 155678, 311356, 544873, 1089746, 2179492, 2880043, 5760086, 11520172, 20160301, 40320602, 80641204]

約数ペア:

[(1, 80641204), (2, 40320602), (4, 20160301), (7, 11520172), (14, 5760086), (28, 2880043), (37, 2179492), (74, 1089746), (148, 544873), (259, 311356), (518, 155678), (1036, 77839)]