8424280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4481}}^1$

素因数の和:4539

約数の個数: 32

約数和(自身を含む): 19362240

約数和(自身を除く): 10937960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4481, 8962, 17924, 22405, 35848, 44810, 89620, 179240, 210607, 421214, 842428, 1053035, 1684856, 2106070, 4212140, 8424280]

約数ペア:

[(1, 8424280), (2, 4212140), (4, 2106070), (5, 1684856), (8, 1053035), (10, 842428), (20, 421214), (40, 210607), (47, 179240), (94, 89620), (188, 44810), (235, 35848), (376, 22405), (470, 17924), (940, 8962), (1880, 4481)]