51276920

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1667}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 115592400

約数和(自身を除く): 64315480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 1667, 3076, 3334, 3845, 6152, 6668, 7690, 8335, 13336, 15380, 16670, 30760, 33340, 66680, 1281923, 2563846, 5127692, 6409615, 10255384, 12819230, 25638460, 51276920]

約数ペア:

[(1, 51276920), (2, 25638460), (4, 12819230), (5, 10255384), (8, 6409615), (10, 5127692), (20, 2563846), (40, 1281923), (769, 66680), (1538, 33340), (1667, 30760), (3076, 16670), (3334, 15380), (3845, 13336), (6152, 8335), (6668, 7690)]