100805888180

素因数分解:

$2^2\times 5^1\times {\mathrm{5040294409}}^1$

素因数の和:5040294418

約数の個数: 12

約数和(自身を含む): 211692365220

約数和(自身を除く): 110886477040

約数列:

[1, 2, 4, 5, 10, 20, 5040294409, 10080588818, 20161177636, 25201472045, 50402944090, 100805888180]

約数ペア:

[(1, 100805888180), (2, 50402944090), (4, 25201472045), (5, 20161177636), (10, 10080588818), (20, 5040294409)]