8403160

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 18990000

約数和(自身を除く): 10586840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 499, 842, 998, 1684, 1996, 2105, 2495, 3368, 3992, 4210, 4990, 8420, 9980, 16840, 19960, 210079, 420158, 840316, 1050395, 1680632, 2100790, 4201580, 8403160]

約数ペア:

[(1, 8403160), (2, 4201580), (4, 2100790), (5, 1680632), (8, 1050395), (10, 840316), (20, 420158), (40, 210079), (421, 19960), (499, 16840), (842, 9980), (998, 8420), (1684, 4990), (1996, 4210), (2105, 3992), (2495, 3368)]