8347640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4259}}^1$

素因数の和:4284

約数の個数: 48

約数和(自身を含む): 21853800

約数和(自身を除く): 13506160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4259, 8518, 17036, 21295, 29813, 34072, 42590, 59626, 85180, 119252, 149065, 170360, 208691, 238504, 298130, 417382, 596260, 834764, 1043455, 1192520, 1669528, 2086910, 4173820, 8347640]

約数ペア:

[(1, 8347640), (2, 4173820), (4, 2086910), (5, 1669528), (7, 1192520), (8, 1043455), (10, 834764), (14, 596260), (20, 417382), (28, 298130), (35, 238504), (40, 208691), (49, 170360), (56, 149065), (70, 119252), (98, 85180), (140, 59626), (196, 42590), (245, 34072), (280, 29813), (392, 21295), (490, 17036), (980, 8518), (1960, 4259)]