88640560

素因数分解:

$2^4\times 5^1\times {\mathrm{1108007}}^1$

素因数の和:1108020

約数の個数: 20

約数和(自身を含む): 206089488

約数和(自身を除く): 117448928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1108007, 2216014, 4432028, 5540035, 8864056, 11080070, 17728112, 22160140, 44320280, 88640560]

約数ペア:

[(1, 88640560), (2, 44320280), (4, 22160140), (5, 17728112), (8, 11080070), (10, 8864056), (16, 5540035), (20, 4432028), (40, 2216014), (80, 1108007)]