9916640

素因数分解:

$2^5\times 5^1\times {\mathrm{61979}}^1$

素因数の和:61994

約数の個数: 24

約数和(自身を含む): 23428440

約数和(自身を除く): 13511800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61979, 123958, 247916, 309895, 495832, 619790, 991664, 1239580, 1983328, 2479160, 4958320, 9916640]

約数ペア:

[(1, 9916640), (2, 4958320), (4, 2479160), (5, 1983328), (8, 1239580), (10, 991664), (16, 619790), (20, 495832), (32, 309895), (40, 247916), (80, 123958), (160, 61979)]