87641080

素因数分解:

$2^3\times 5^1\times {\mathrm{2191027}}^1$

素因数の和:2191038

約数の個数: 16

約数和(自身を含む): 197192520

約数和(自身を除く): 109551440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2191027, 4382054, 8764108, 10955135, 17528216, 21910270, 43820540, 87641080]

約数ペア:

[(1, 87641080), (2, 43820540), (4, 21910270), (5, 17528216), (8, 10955135), (10, 8764108), (20, 4382054), (40, 2191027)]