79181680

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2351}}^1$

素因数の和:2785

約数の個数: 40

約数和(自身を含む): 184613184

約数和(自身を除く): 105431504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2351, 3368, 4210, 4702, 6736, 8420, 9404, 11755, 16840, 18808, 23510, 33680, 37616, 47020, 94040, 188080, 989771, 1979542, 3959084, 4948855, 7918168, 9897710, 15836336, 19795420, 39590840, 79181680]

約数ペア:

[(1, 79181680), (2, 39590840), (4, 19795420), (5, 15836336), (8, 9897710), (10, 7918168), (16, 4948855), (20, 3959084), (40, 1979542), (80, 989771), (421, 188080), (842, 94040), (1684, 47020), (2105, 37616), (2351, 33680), (3368, 23510), (4210, 18808), (4702, 16840), (6736, 11755), (8420, 9404)]