15696416720

素因数分解:

$2^4\times 5^1\times {\mathrm{196205209}}^1$

素因数の和:196205222

約数の個数: 20

約数和(自身を含む): 36494169060

約数和(自身を除く): 20797752340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196205209, 392410418, 784820836, 981026045, 1569641672, 1962052090, 3139283344, 3924104180, 7848208360, 15696416720]

約数ペア:

[(1, 15696416720), (2, 7848208360), (4, 3924104180), (5, 3139283344), (8, 1962052090), (10, 1569641672), (16, 981026045), (20, 784820836), (40, 392410418), (80, 196205209)]