988880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 2356992

約数和(自身を除く): 1368112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 263, 376, 470, 526, 752, 940, 1052, 1315, 1880, 2104, 2630, 3760, 4208, 5260, 10520, 12361, 21040, 24722, 49444, 61805, 98888, 123610, 197776, 247220, 494440, 988880]

約数ペア:

[(1, 988880), (2, 494440), (4, 247220), (5, 197776), (8, 123610), (10, 98888), (16, 61805), (20, 49444), (40, 24722), (47, 21040), (80, 12361), (94, 10520), (188, 5260), (235, 4208), (263, 3760), (376, 2630), (470, 2104), (526, 1880), (752, 1315), (940, 1052)]