64080460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{31723}}^1$

素因数の和:31833

約数の個数: 24

約数和(自身を含む): 135905616

約数和(自身を除く): 71825156

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 31723, 63446, 126892, 158615, 317230, 634460, 3204023, 6408046, 12816092, 16020115, 32040230, 64080460]

約数ペア:

[(1, 64080460), (2, 32040230), (4, 16020115), (5, 12816092), (10, 6408046), (20, 3204023), (101, 634460), (202, 317230), (404, 158615), (505, 126892), (1010, 63446), (2020, 31723)]