56906320

素因数分解:

$2^4\times 5^1\times {\mathrm{711329}}^1$

素因数の和:711342

約数の個数: 20

約数和(自身を含む): 132307380

約数和(自身を除く): 75401060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 711329, 1422658, 2845316, 3556645, 5690632, 7113290, 11381264, 14226580, 28453160, 56906320]

約数ペア:

[(1, 56906320), (2, 28453160), (4, 14226580), (5, 11381264), (8, 7113290), (10, 5690632), (16, 3556645), (20, 2845316), (40, 1422658), (80, 711329)]