201409520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193663}}^1$

素因数の和:193689

約数の個数: 40

約数和(自身を含む): 504301056

約数和(自身を除く): 302891536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193663, 387326, 774652, 968315, 1549304, 1936630, 2517619, 3098608, 3873260, 5035238, 7746520, 10070476, 12588095, 15493040, 20140952, 25176190, 40281904, 50352380, 100704760, 201409520]

約数ペア:

[(1, 201409520), (2, 100704760), (4, 50352380), (5, 40281904), (8, 25176190), (10, 20140952), (13, 15493040), (16, 12588095), (20, 10070476), (26, 7746520), (40, 5035238), (52, 3873260), (65, 3098608), (80, 2517619), (104, 1936630), (130, 1549304), (208, 968315), (260, 774652), (520, 387326), (1040, 193663)]