2019771640

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{51683}}^1$

素因数の和:52671

約数の個数: 32

約数和(自身を含む): 4549225680

約数和(自身を除く): 2529454040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 3908, 4885, 7816, 9770, 19540, 39080, 51683, 103366, 206732, 258415, 413464, 516830, 1033660, 2067320, 50494291, 100988582, 201977164, 252471455, 403954328, 504942910, 1009885820, 2019771640]

約数ペア:

[(1, 2019771640), (2, 1009885820), (4, 504942910), (5, 403954328), (8, 252471455), (10, 201977164), (20, 100988582), (40, 50494291), (977, 2067320), (1954, 1033660), (3908, 516830), (4885, 413464), (7816, 258415), (9770, 206732), (19540, 103366), (39080, 51683)]