137996920

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{11093}}^1$

素因数の和:11415

約数の個数: 32

約数和(自身を含む): 311519520

約数和(自身を除く): 173522600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 11093, 12440, 22186, 44372, 55465, 88744, 110930, 221860, 443720, 3449923, 6899846, 13799692, 17249615, 27599384, 34499230, 68998460, 137996920]

約数ペア:

[(1, 137996920), (2, 68998460), (4, 34499230), (5, 27599384), (8, 17249615), (10, 13799692), (20, 6899846), (40, 3449923), (311, 443720), (622, 221860), (1244, 110930), (1555, 88744), (2488, 55465), (3110, 44372), (6220, 22186), (11093, 12440)]