130449680

素因数分解:

$2^4\times 5^1\times {\mathrm{1630621}}^1$

素因数の和:1630634

約数の個数: 20

約数和(自身を含む): 303295692

約数和(自身を除く): 172846012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1630621, 3261242, 6522484, 8153105, 13044968, 16306210, 26089936, 32612420, 65224840, 130449680]

約数ペア:

[(1, 130449680), (2, 65224840), (4, 32612420), (5, 26089936), (8, 16306210), (10, 13044968), (16, 8153105), (20, 6522484), (40, 3261242), (80, 1630621)]