87017680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23143}}^1$

素因数の和:23203

約数の個数: 40

約数和(自身を含む): 206629632

約数和(自身を除く): 119611952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 23143, 46286, 92572, 115715, 185144, 231430, 370288, 462860, 925720, 1087721, 1851440, 2175442, 4350884, 5438605, 8701768, 10877210, 17403536, 21754420, 43508840, 87017680]

約数ペア:

[(1, 87017680), (2, 43508840), (4, 21754420), (5, 17403536), (8, 10877210), (10, 8701768), (16, 5438605), (20, 4350884), (40, 2175442), (47, 1851440), (80, 1087721), (94, 925720), (188, 462860), (235, 370288), (376, 231430), (470, 185144), (752, 115715), (940, 92572), (1880, 46286), (3760, 23143)]