64712920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55787}}^1$

素因数の和:55827

約数の個数: 32

約数和(自身を含む): 150627600

約数和(自身を除く): 85914680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55787, 111574, 223148, 278935, 446296, 557870, 1115740, 1617823, 2231480, 3235646, 6471292, 8089115, 12942584, 16178230, 32356460, 64712920]

約数ペア:

[(1, 64712920), (2, 32356460), (4, 16178230), (5, 12942584), (8, 8089115), (10, 6471292), (20, 3235646), (29, 2231480), (40, 1617823), (58, 1115740), (116, 557870), (145, 446296), (232, 278935), (290, 223148), (580, 111574), (1160, 55787)]