19944640

素因数分解:

$2^6\times 5^1\times {\mathrm{62327}}^1$

素因数の和:62344

約数の個数: 28

約数和(自身を含む): 47493936

約数和(自身を除く): 27549296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62327, 124654, 249308, 311635, 498616, 623270, 997232, 1246540, 1994464, 2493080, 3988928, 4986160, 9972320, 19944640]

約数ペア:

[(1, 19944640), (2, 9972320), (4, 4986160), (5, 3988928), (8, 2493080), (10, 1994464), (16, 1246540), (20, 997232), (32, 623270), (40, 498616), (64, 311635), (80, 249308), (160, 124654), (320, 62327)]