15771320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8389}}^1$

素因数の和:8447

約数の個数: 32

約数和(自身を含む): 36244800

約数和(自身を除く): 20473480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8389, 16778, 33556, 41945, 67112, 83890, 167780, 335560, 394283, 788566, 1577132, 1971415, 3154264, 3942830, 7885660, 15771320]

約数ペア:

[(1, 15771320), (2, 7885660), (4, 3942830), (5, 3154264), (8, 1971415), (10, 1577132), (20, 788566), (40, 394283), (47, 335560), (94, 167780), (188, 83890), (235, 67112), (376, 41945), (470, 33556), (940, 16778), (1880, 8389)]