31125740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21319}}^1$

素因数の和:21401

約数の個数: 24

約数和(自身を含む): 66262560

約数和(自身を除く): 35136820

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21319, 42638, 85276, 106595, 213190, 426380, 1556287, 3112574, 6225148, 7781435, 15562870, 31125740]

約数ペア:

[(1, 31125740), (2, 15562870), (4, 7781435), (5, 6225148), (10, 3112574), (20, 1556287), (73, 426380), (146, 213190), (292, 106595), (365, 85276), (730, 42638), (1460, 21319)]