2231566640

素因数分解:

$2^4\times 5^1\times {\mathrm{27894583}}^1$

素因数の和:27894596

約数の個数: 20

約数和(自身を含む): 5188392624

約数和(自身を除く): 2956825984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27894583, 55789166, 111578332, 139472915, 223156664, 278945830, 446313328, 557891660, 1115783320, 2231566640]

約数ペア:

[(1, 2231566640), (2, 1115783320), (4, 557891660), (5, 446313328), (8, 278945830), (10, 223156664), (16, 139472915), (20, 111578332), (40, 55789166), (80, 27894583)]