208021040

素因数分解:

$2^4\times 5^1\times {\mathrm{967}}^1\times {\mathrm{2689}}^1$

素因数の和:3669

約数の個数: 40

約数和(自身を含む): 484329120

約数和(自身を除く): 276308080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 967, 1934, 2689, 3868, 4835, 5378, 7736, 9670, 10756, 13445, 15472, 19340, 21512, 26890, 38680, 43024, 53780, 77360, 107560, 215120, 2600263, 5200526, 10401052, 13001315, 20802104, 26002630, 41604208, 52005260, 104010520, 208021040]

約数ペア:

[(1, 208021040), (2, 104010520), (4, 52005260), (5, 41604208), (8, 26002630), (10, 20802104), (16, 13001315), (20, 10401052), (40, 5200526), (80, 2600263), (967, 215120), (1934, 107560), (2689, 77360), (3868, 53780), (4835, 43024), (5378, 38680), (7736, 26890), (9670, 21512), (10756, 19340), (13445, 15472)]