65140120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34649}}^1$

素因数の和:34707

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 84547880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 34649, 69298, 138596, 173245, 277192, 346490, 692980, 1385960, 1628503, 3257006, 6514012, 8142515, 13028024, 16285030, 32570060, 65140120]

約数ペア:

[(1, 65140120), (2, 32570060), (4, 16285030), (5, 13028024), (8, 8142515), (10, 6514012), (20, 3257006), (40, 1628503), (47, 1385960), (94, 692980), (188, 346490), (235, 277192), (376, 173245), (470, 138596), (940, 69298), (1880, 34649)]