2088996880

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{16229}}^1$

素因数の和:17851

約数の個数: 40

約数和(自身を含む): 4860235800

約数和(自身を除く): 2771238920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 3218, 6436, 8045, 12872, 16090, 16229, 25744, 32180, 32458, 64360, 64916, 81145, 128720, 129832, 162290, 259664, 324580, 649160, 1298320, 26112461, 52224922, 104449844, 130562305, 208899688, 261124610, 417799376, 522249220, 1044498440, 2088996880]

約数ペア:

[(1, 2088996880), (2, 1044498440), (4, 522249220), (5, 417799376), (8, 261124610), (10, 208899688), (16, 130562305), (20, 104449844), (40, 52224922), (80, 26112461), (1609, 1298320), (3218, 649160), (6436, 324580), (8045, 259664), (12872, 162290), (16090, 129832), (16229, 128720), (25744, 81145), (32180, 64916), (32458, 64360)]