105137680

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1709}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 244906200

約数和(自身を除く): 139768520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 1709, 3076, 3418, 3845, 6152, 6836, 7690, 8545, 12304, 13672, 15380, 17090, 27344, 30760, 34180, 61520, 68360, 136720, 1314221, 2628442, 5256884, 6571105, 10513768, 13142210, 21027536, 26284420, 52568840, 105137680]

約数ペア:

[(1, 105137680), (2, 52568840), (4, 26284420), (5, 21027536), (8, 13142210), (10, 10513768), (16, 6571105), (20, 5256884), (40, 2628442), (80, 1314221), (769, 136720), (1538, 68360), (1709, 61520), (3076, 34180), (3418, 30760), (3845, 27344), (6152, 17090), (6836, 15380), (7690, 13672), (8545, 12304)]