131801140

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{5081}}^1$

素因数の和:6387

約数の個数: 24

約数和(自身を含む): 277050312

約数和(自身を除く): 145249172

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5081, 5188, 6485, 10162, 12970, 20324, 25405, 25940, 50810, 101620, 6590057, 13180114, 26360228, 32950285, 65900570, 131801140]

約数ペア:

[(1, 131801140), (2, 65900570), (4, 32950285), (5, 26360228), (10, 13180114), (20, 6590057), (1297, 101620), (2594, 50810), (5081, 25940), (5188, 25405), (6485, 20324), (10162, 12970)]