155016920

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{4217}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 349250400

約数和(自身を除く): 194233480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1838, 3676, 4217, 4595, 7352, 8434, 9190, 16868, 18380, 21085, 33736, 36760, 42170, 84340, 168680, 3875423, 7750846, 15501692, 19377115, 31003384, 38754230, 77508460, 155016920]

約数ペア:

[(1, 155016920), (2, 77508460), (4, 38754230), (5, 31003384), (8, 19377115), (10, 15501692), (20, 7750846), (40, 3875423), (919, 168680), (1838, 84340), (3676, 42170), (4217, 36760), (4595, 33736), (7352, 21085), (8434, 18380), (9190, 16868)]