331325480

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{13127}}^1$

素因数の和:13769

約数の個数: 32

約数和(自身を含む): 746720640

約数和(自身を除く): 415395160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 13127, 25240, 26254, 52508, 65635, 105016, 131270, 262540, 525080, 8283137, 16566274, 33132548, 41415685, 66265096, 82831370, 165662740, 331325480]

約数ペア:

[(1, 331325480), (2, 165662740), (4, 82831370), (5, 66265096), (8, 41415685), (10, 33132548), (20, 16566274), (40, 8283137), (631, 525080), (1262, 262540), (2524, 131270), (3155, 105016), (5048, 65635), (6310, 52508), (12620, 26254), (13127, 25240)]