139101640

素因数分解:

$2^3\times 5^1\times {\mathrm{3477541}}^1$

素因数の和:3477552

約数の個数: 16

約数和(自身を含む): 312978780

約数和(自身を除く): 173877140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3477541, 6955082, 13910164, 17387705, 27820328, 34775410, 69550820, 139101640]

約数ペア:

[(1, 139101640), (2, 69550820), (4, 34775410), (5, 27820328), (8, 17387705), (10, 13910164), (20, 6955082), (40, 3477541)]