4172720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 9935376

約数和(自身を除く): 5762656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1213, 1720, 2426, 3440, 4852, 6065, 9704, 12130, 19408, 24260, 48520, 52159, 97040, 104318, 208636, 260795, 417272, 521590, 834544, 1043180, 2086360, 4172720]

約数ペア:

[(1, 4172720), (2, 2086360), (4, 1043180), (5, 834544), (8, 521590), (10, 417272), (16, 260795), (20, 208636), (40, 104318), (43, 97040), (80, 52159), (86, 48520), (172, 24260), (215, 19408), (344, 12130), (430, 9704), (688, 6065), (860, 4852), (1213, 3440), (1720, 2426)]