3128360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 7092360

約数和(自身を除く): 3964000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 397, 788, 794, 985, 1576, 1588, 1970, 1985, 3176, 3940, 3970, 7880, 7940, 15880, 78209, 156418, 312836, 391045, 625672, 782090, 1564180, 3128360]

約数ペア:

[(1, 3128360), (2, 1564180), (4, 782090), (5, 625672), (8, 391045), (10, 312836), (20, 156418), (40, 78209), (197, 15880), (394, 7940), (397, 7880), (788, 3970), (794, 3940), (985, 3176), (1576, 1985), (1588, 1970)]