19746804160

素因数分解:

$2^6\times 5^1\times {\mathrm{61708763}}^1$

素因数の和:61708780

約数の個数: 28

約数和(自身を含む): 47022078168

約数和(自身を除く): 27275274008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61708763, 123417526, 246835052, 308543815, 493670104, 617087630, 987340208, 1234175260, 1974680416, 2468350520, 3949360832, 4936701040, 9873402080, 19746804160]

約数ペア:

[(1, 19746804160), (2, 9873402080), (4, 4936701040), (5, 3949360832), (8, 2468350520), (10, 1974680416), (16, 1234175260), (20, 987340208), (32, 617087630), (40, 493670104), (64, 308543815), (80, 246835052), (160, 123417526), (320, 61708763)]