159600160

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1999}}^1$

素因数の和:2513

約数の個数: 48

約数和(自身を含む): 378000000

約数和(自身を除く): 218399840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 998, 1996, 1999, 2495, 3992, 3998, 4990, 7984, 7996, 9980, 9995, 15968, 15992, 19960, 19990, 31984, 39920, 39980, 63968, 79840, 79960, 159920, 319840, 997501, 1995002, 3990004, 4987505, 7980008, 9975010, 15960016, 19950020, 31920032, 39900040, 79800080, 159600160]

約数ペア:

[(1, 159600160), (2, 79800080), (4, 39900040), (5, 31920032), (8, 19950020), (10, 15960016), (16, 9975010), (20, 7980008), (32, 4987505), (40, 3990004), (80, 1995002), (160, 997501), (499, 319840), (998, 159920), (1996, 79960), (1999, 79840), (2495, 63968), (3992, 39980), (3998, 39920), (4990, 31984), (7984, 19990), (7996, 19960), (9980, 15992), (9995, 15968)]