1025980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 2206512

約数和(自身を除く): 1180532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1193, 2386, 4772, 5965, 11930, 23860, 51299, 102598, 205196, 256495, 512990, 1025980]

約数ペア:

[(1, 1025980), (2, 512990), (4, 256495), (5, 205196), (10, 102598), (20, 51299), (43, 23860), (86, 11930), (172, 5965), (215, 4772), (430, 2386), (860, 1193)]