87650480

素因数分解:

$2^4\times 5^1\times {\mathrm{1095631}}^1$

素因数の和:1095644

約数の個数: 20

約数和(自身を含む): 203787552

約数和(自身を除く): 116137072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095631, 2191262, 4382524, 5478155, 8765048, 10956310, 17530096, 21912620, 43825240, 87650480]

約数ペア:

[(1, 87650480), (2, 43825240), (4, 21912620), (5, 17530096), (8, 10956310), (10, 8765048), (16, 5478155), (20, 4382524), (40, 2191262), (80, 1095631)]