20134031240

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1008719}}^1$

素因数の和:1009229

約数の個数: 32

約数和(自身を含む): 45392400000

約数和(自身を除く): 25258368760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960, 1008719, 2017438, 4034876, 5043595, 8069752, 10087190, 20174380, 40348760, 503350781, 1006701562, 2013403124, 2516753905, 4026806248, 5033507810, 10067015620, 20134031240]

約数ペア:

[(1, 20134031240), (2, 10067015620), (4, 5033507810), (5, 4026806248), (8, 2516753905), (10, 2013403124), (20, 1006701562), (40, 503350781), (499, 40348760), (998, 20174380), (1996, 10087190), (2495, 8069752), (3992, 5043595), (4990, 4034876), (9980, 2017438), (19960, 1008719)]