64287640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84589}}^1$

素因数の和:84619

約数の個数: 32

約数和(自身を含む): 152262000

約数和(自身を除く): 87974360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84589, 169178, 338356, 422945, 676712, 845890, 1607191, 1691780, 3214382, 3383560, 6428764, 8035955, 12857528, 16071910, 32143820, 64287640]

約数ペア:

[(1, 64287640), (2, 32143820), (4, 16071910), (5, 12857528), (8, 8035955), (10, 6428764), (19, 3383560), (20, 3214382), (38, 1691780), (40, 1607191), (76, 845890), (95, 676712), (152, 422945), (190, 338356), (380, 169178), (760, 84589)]