39647320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21089}}^1$

素因数の和:21147

約数の個数: 32

約数和(自身を含む): 91108800

約数和(自身を除く): 51461480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21089, 42178, 84356, 105445, 168712, 210890, 421780, 843560, 991183, 1982366, 3964732, 4955915, 7929464, 9911830, 19823660, 39647320]

約数ペア:

[(1, 39647320), (2, 19823660), (4, 9911830), (5, 7929464), (8, 4955915), (10, 3964732), (20, 1982366), (40, 991183), (47, 843560), (94, 421780), (188, 210890), (235, 168712), (376, 105445), (470, 84356), (940, 42178), (1880, 21089)]