388927480

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{6043}}^1$

素因数の和:7663

約数の個数: 32

約数和(自身を含む): 875775600

約数和(自身を除く): 486848120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6043, 6436, 8045, 12086, 12872, 16090, 24172, 30215, 32180, 48344, 60430, 64360, 120860, 241720, 9723187, 19446374, 38892748, 48615935, 77785496, 97231870, 194463740, 388927480]

約数ペア:

[(1, 388927480), (2, 194463740), (4, 97231870), (5, 77785496), (8, 48615935), (10, 38892748), (20, 19446374), (40, 9723187), (1609, 241720), (3218, 120860), (6043, 64360), (6436, 60430), (8045, 48344), (12086, 32180), (12872, 30215), (16090, 24172)]