3878440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2063}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 8916480

約数和(自身を除く): 5038040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2063, 4126, 8252, 10315, 16504, 20630, 41260, 82520, 96961, 193922, 387844, 484805, 775688, 969610, 1939220, 3878440]

約数ペア:

[(1, 3878440), (2, 1939220), (4, 969610), (5, 775688), (8, 484805), (10, 387844), (20, 193922), (40, 96961), (47, 82520), (94, 41260), (188, 20630), (235, 16504), (376, 10315), (470, 8252), (940, 4126), (1880, 2063)]