91375280

素因数分解:

$2^4\times 5^1\times {\mathrm{1142191}}^1$

素因数の和:1142204

約数の個数: 20

約数和(自身を含む): 212447712

約数和(自身を除く): 121072432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1142191, 2284382, 4568764, 5710955, 9137528, 11421910, 18275056, 22843820, 45687640, 91375280]

約数ペア:

[(1, 91375280), (2, 45687640), (4, 22843820), (5, 18275056), (8, 11421910), (10, 9137528), (16, 5710955), (20, 4568764), (40, 2284382), (80, 1142191)]