65256680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 151856640

約数和(自身を除く): 86599960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 337, 376, 412, 470, 515, 674, 824, 940, 1030, 1348, 1685, 1880, 2060, 2696, 3370, 4120, 4841, 6740, 9682, 13480, 15839, 19364, 24205, 31678, 34711, 38728, 48410, 63356, 69422, 79195, 96820, 126712, 138844, 158390, 173555, 193640, 277688, 316780, 347110, 633560, 694220, 1388440, 1631417, 3262834, 6525668, 8157085, 13051336, 16314170, 32628340, 65256680]

約数ペア:

[(1, 65256680), (2, 32628340), (4, 16314170), (5, 13051336), (8, 8157085), (10, 6525668), (20, 3262834), (40, 1631417), (47, 1388440), (94, 694220), (103, 633560), (188, 347110), (206, 316780), (235, 277688), (337, 193640), (376, 173555), (412, 158390), (470, 138844), (515, 126712), (674, 96820), (824, 79195), (940, 69422), (1030, 63356), (1348, 48410), (1685, 38728), (1880, 34711), (2060, 31678), (2696, 24205), (3370, 19364), (4120, 15839), (4841, 13480), (6740, 9682)]