200068840

素因数分解:

$2^3\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{3229}}^1$

素因数の和:4789

約数の個数: 32

約数和(自身を含む): 450585000

約数和(自身を除く): 250516160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1549, 3098, 3229, 6196, 6458, 7745, 12392, 12916, 15490, 16145, 25832, 30980, 32290, 61960, 64580, 129160, 5001721, 10003442, 20006884, 25008605, 40013768, 50017210, 100034420, 200068840]

約数ペア:

[(1, 200068840), (2, 100034420), (4, 50017210), (5, 40013768), (8, 25008605), (10, 20006884), (20, 10003442), (40, 5001721), (1549, 129160), (3098, 64580), (3229, 61960), (6196, 32290), (6458, 30980), (7745, 25832), (12392, 16145), (12916, 15490)]