10159640

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{509}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 22950000

約数和(自身を除く): 12790360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 509, 998, 1018, 1996, 2036, 2495, 2545, 3992, 4072, 4990, 5090, 9980, 10180, 19960, 20360, 253991, 507982, 1015964, 1269955, 2031928, 2539910, 5079820, 10159640]

約数ペア:

[(1, 10159640), (2, 5079820), (4, 2539910), (5, 2031928), (8, 1269955), (10, 1015964), (20, 507982), (40, 253991), (499, 20360), (509, 19960), (998, 10180), (1018, 9980), (1996, 5090), (2036, 4990), (2495, 4072), (2545, 3992)]