1998440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 4596480

約数和(自身を除く): 2598040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1063, 1880, 2126, 4252, 5315, 8504, 10630, 21260, 42520, 49961, 99922, 199844, 249805, 399688, 499610, 999220, 1998440]

約数ペア:

[(1, 1998440), (2, 999220), (4, 499610), (5, 399688), (8, 249805), (10, 199844), (20, 99922), (40, 49961), (47, 42520), (94, 21260), (188, 10630), (235, 8504), (376, 5315), (470, 4252), (940, 2126), (1063, 1880)]