15697911280

素因数分解:

$2^4\times 5^1\times {\mathrm{196223891}}^1$

素因数の和:196223904

約数の個数: 20

約数和(自身を含む): 36497643912

約数和(自身を除く): 20799732632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196223891, 392447782, 784895564, 981119455, 1569791128, 1962238910, 3139582256, 3924477820, 7848955640, 15697911280]

約数ペア:

[(1, 15697911280), (2, 7848955640), (4, 3924477820), (5, 3139582256), (8, 1962238910), (10, 1569791128), (16, 981119455), (20, 784895564), (40, 392447782), (80, 196223891)]