8712520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 19756800

約数和(自身を除く): 11044280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1567, 2780, 3134, 5560, 6268, 7835, 12536, 15670, 31340, 62680, 217813, 435626, 871252, 1089065, 1742504, 2178130, 4356260, 8712520]

約数ペア:

[(1, 8712520), (2, 4356260), (4, 2178130), (5, 1742504), (8, 1089065), (10, 871252), (20, 435626), (40, 217813), (139, 62680), (278, 31340), (556, 15670), (695, 12536), (1112, 7835), (1390, 6268), (1567, 5560), (2780, 3134)]