31826020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 71406720

約数和(自身を除く): 39580700

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1609, 1978, 3218, 3956, 4945, 6436, 8045, 9890, 16090, 19780, 32180, 37007, 69187, 74014, 138374, 148028, 185035, 276748, 345935, 370070, 691870, 740140, 1383740, 1591301, 3182602, 6365204, 7956505, 15913010, 31826020]

約数ペア:

[(1, 31826020), (2, 15913010), (4, 7956505), (5, 6365204), (10, 3182602), (20, 1591301), (23, 1383740), (43, 740140), (46, 691870), (86, 370070), (92, 345935), (115, 276748), (172, 185035), (215, 148028), (230, 138374), (430, 74014), (460, 69187), (860, 37007), (989, 32180), (1609, 19780), (1978, 16090), (3218, 9890), (3956, 8045), (4945, 6436)]