77707780

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{4129}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 163399320

約数和(自身を除く): 85691540

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4129, 4705, 8258, 9410, 16516, 18820, 20645, 41290, 82580, 3885389, 7770778, 15541556, 19426945, 38853890, 77707780]

約数ペア:

[(1, 77707780), (2, 38853890), (4, 19426945), (5, 15541556), (10, 7770778), (20, 3885389), (941, 82580), (1882, 41290), (3764, 20645), (4129, 18820), (4705, 16516), (8258, 9410)]