70124920

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1999}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 158040000

約数和(自身を除く): 87915080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 1999, 3508, 3998, 4385, 7016, 7996, 8770, 9995, 15992, 17540, 19990, 35080, 39980, 79960, 1753123, 3506246, 7012492, 8765615, 14024984, 17531230, 35062460, 70124920]

約数ペア:

[(1, 70124920), (2, 35062460), (4, 17531230), (5, 14024984), (8, 8765615), (10, 7012492), (20, 3506246), (40, 1753123), (877, 79960), (1754, 39980), (1999, 35080), (3508, 19990), (3998, 17540), (4385, 15992), (7016, 9995), (7996, 8770)]