40891820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4999}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 86100000

約数和(自身を除く): 45208180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 4999, 8180, 9998, 19996, 24995, 49990, 99980, 2044591, 4089182, 8178364, 10222955, 20445910, 40891820]

約数ペア:

[(1, 40891820), (2, 20445910), (4, 10222955), (5, 8178364), (10, 4089182), (20, 2044591), (409, 99980), (818, 49990), (1636, 24995), (2045, 19996), (4090, 9998), (4999, 8180)]