220713040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{162289}}^1$

素因数の和:162319

約数の個数: 40

約数和(自身を含む): 543346920

約数和(自身を除く): 322633880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 162289, 324578, 649156, 811445, 1298312, 1622890, 2596624, 2758913, 3245780, 5517826, 6491560, 11035652, 12983120, 13794565, 22071304, 27589130, 44142608, 55178260, 110356520, 220713040]

約数ペア:

[(1, 220713040), (2, 110356520), (4, 55178260), (5, 44142608), (8, 27589130), (10, 22071304), (16, 13794565), (17, 12983120), (20, 11035652), (34, 6491560), (40, 5517826), (68, 3245780), (80, 2758913), (85, 2596624), (136, 1622890), (170, 1298312), (272, 811445), (340, 649156), (680, 324578), (1360, 162289)]