9984680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 23156820

約数和(自身を除く): 13172140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 113, 188, 226, 235, 376, 452, 470, 565, 904, 940, 1130, 1880, 2209, 2260, 4418, 4520, 5311, 8836, 10622, 11045, 17672, 21244, 22090, 26555, 42488, 44180, 53110, 88360, 106220, 212440, 249617, 499234, 998468, 1248085, 1996936, 2496170, 4992340, 9984680]

約数ペア:

[(1, 9984680), (2, 4992340), (4, 2496170), (5, 1996936), (8, 1248085), (10, 998468), (20, 499234), (40, 249617), (47, 212440), (94, 106220), (113, 88360), (188, 53110), (226, 44180), (235, 42488), (376, 26555), (452, 22090), (470, 21244), (565, 17672), (904, 11045), (940, 10622), (1130, 8836), (1880, 5311), (2209, 4520), (2260, 4418)]