8728840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4643}}^1$

素因数の和:4701

約数の個数: 32

約数和(自身を含む): 20062080

約数和(自身を除く): 11333240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4643, 9286, 18572, 23215, 37144, 46430, 92860, 185720, 218221, 436442, 872884, 1091105, 1745768, 2182210, 4364420, 8728840]

約数ペア:

[(1, 8728840), (2, 4364420), (4, 2182210), (5, 1745768), (8, 1091105), (10, 872884), (20, 436442), (40, 218221), (47, 185720), (94, 92860), (188, 46430), (235, 37144), (376, 23215), (470, 18572), (940, 9286), (1880, 4643)]