28156640

素因数分解:

$2^5\times 5^1\times {\mathrm{175979}}^1$

素因数の和:175994

約数の個数: 24

約数和(自身を含む): 66520440

約数和(自身を除く): 38363800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 175979, 351958, 703916, 879895, 1407832, 1759790, 2815664, 3519580, 5631328, 7039160, 14078320, 28156640]

約数ペア:

[(1, 28156640), (2, 14078320), (4, 7039160), (5, 5631328), (8, 3519580), (10, 2815664), (16, 1759790), (20, 1407832), (32, 879895), (40, 703916), (80, 351958), (160, 175979)]