79745560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19739}}^1$

素因数の和:19851

約数の個数: 32

約数和(自身を含む): 181213200

約数和(自身を除く): 101467640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 19739, 39478, 78956, 98695, 157912, 197390, 394780, 789560, 1993639, 3987278, 7974556, 9968195, 15949112, 19936390, 39872780, 79745560]

約数ペア:

[(1, 79745560), (2, 39872780), (4, 19936390), (5, 15949112), (8, 9968195), (10, 7974556), (20, 3987278), (40, 1993639), (101, 789560), (202, 394780), (404, 197390), (505, 157912), (808, 98695), (1010, 78956), (2020, 39478), (4040, 19739)]