80408480

素因数分解:

$2^5\times 5^1\times {\mathrm{502553}}^1$

素因数の和:502568

約数の個数: 24

約数和(自身を含む): 189965412

約数和(自身を除く): 109556932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 502553, 1005106, 2010212, 2512765, 4020424, 5025530, 8040848, 10051060, 16081696, 20102120, 40204240, 80408480]

約数ペア:

[(1, 80408480), (2, 40204240), (4, 20102120), (5, 16081696), (8, 10051060), (10, 8040848), (16, 5025530), (20, 4020424), (32, 2512765), (40, 2010212), (80, 1005106), (160, 502553)]