4181620

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 8820000

約数和(自身を除く): 4638380

約数列:

[1, 2, 4, 5, 10, 20, 419, 499, 838, 998, 1676, 1996, 2095, 2495, 4190, 4990, 8380, 9980, 209081, 418162, 836324, 1045405, 2090810, 4181620]

約数ペア:

[(1, 4181620), (2, 2090810), (4, 1045405), (5, 836324), (10, 418162), (20, 209081), (419, 9980), (499, 8380), (838, 4990), (998, 4190), (1676, 2495), (1996, 2095)]