7421130140

素因数分解:

$2^2\times 5^1\times {\mathrm{371056507}}^1$

素因数の和:371056516

約数の個数: 12

約数和(自身を含む): 15584373336

約数和(自身を除く): 8163243196

約数列:

[1, 2, 4, 5, 10, 20, 371056507, 742113014, 1484226028, 1855282535, 3710565070, 7421130140]

約数ペア:

[(1, 7421130140), (2, 3710565070), (4, 1855282535), (5, 1484226028), (10, 742113014), (20, 371056507)]