22521040

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 52664040

約数和(自身を除く): 30143000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1429, 1576, 1970, 2858, 3152, 3940, 5716, 7145, 7880, 11432, 14290, 15760, 22864, 28580, 57160, 114320, 281513, 563026, 1126052, 1407565, 2252104, 2815130, 4504208, 5630260, 11260520, 22521040]

約数ペア:

[(1, 22521040), (2, 11260520), (4, 5630260), (5, 4504208), (8, 2815130), (10, 2252104), (16, 1407565), (20, 1126052), (40, 563026), (80, 281513), (197, 114320), (394, 57160), (788, 28580), (985, 22864), (1429, 15760), (1576, 14290), (1970, 11432), (2858, 7880), (3152, 7145), (3940, 5716)]