32988740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 71850240

約数和(自身を除く): 38861500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 431, 445, 860, 862, 890, 1724, 1780, 2155, 3827, 4310, 7654, 8620, 15308, 18533, 19135, 37066, 38270, 38359, 74132, 76540, 76718, 92665, 153436, 185330, 191795, 370660, 383590, 767180, 1649437, 3298874, 6597748, 8247185, 16494370, 32988740]

約数ペア:

[(1, 32988740), (2, 16494370), (4, 8247185), (5, 6597748), (10, 3298874), (20, 1649437), (43, 767180), (86, 383590), (89, 370660), (172, 191795), (178, 185330), (215, 153436), (356, 92665), (430, 76718), (431, 76540), (445, 74132), (860, 38359), (862, 38270), (890, 37066), (1724, 19135), (1780, 18533), (2155, 15308), (3827, 8620), (4310, 7654)]