57768280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7331}}^1$

素因数の和:7539

約数の個数: 32

約数和(自身を含む): 130656240

約数和(自身を除く): 72887960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7331, 7880, 14662, 29324, 36655, 58648, 73310, 146620, 293240, 1444207, 2888414, 5776828, 7221035, 11553656, 14442070, 28884140, 57768280]

約数ペア:

[(1, 57768280), (2, 28884140), (4, 14442070), (5, 11553656), (8, 7221035), (10, 5776828), (20, 2888414), (40, 1444207), (197, 293240), (394, 146620), (788, 73310), (985, 58648), (1576, 36655), (1970, 29324), (3940, 14662), (7331, 7880)]