34487720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20051}}^1$

素因数の和:20105

約数の個数: 32

約数和(自身を含む): 79405920

約数和(自身を除く): 44918200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 20051, 40102, 80204, 100255, 160408, 200510, 401020, 802040, 862193, 1724386, 3448772, 4310965, 6897544, 8621930, 17243860, 34487720]

約数ペア:

[(1, 34487720), (2, 17243860), (4, 8621930), (5, 6897544), (8, 4310965), (10, 3448772), (20, 1724386), (40, 862193), (43, 802040), (86, 401020), (172, 200510), (215, 160408), (344, 100255), (430, 80204), (860, 40102), (1720, 20051)]