10985680

素因数分解:

$2^4\times 5^1\times {\mathrm{137321}}^1$

素因数の和:137334

約数の個数: 20

約数和(自身を含む): 25541892

約数和(自身を除く): 14556212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137321, 274642, 549284, 686605, 1098568, 1373210, 2197136, 2746420, 5492840, 10985680]

約数ペア:

[(1, 10985680), (2, 5492840), (4, 2746420), (5, 2197136), (8, 1373210), (10, 1098568), (16, 686605), (20, 549284), (40, 274642), (80, 137321)]