74827640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21019}}^1$

素因数の和:21119

約数の個数: 32

約数和(自身を含む): 170262000

約数和(自身を除く): 95434360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 21019, 42038, 84076, 105095, 168152, 210190, 420380, 840760, 1870691, 3741382, 7482764, 9353455, 14965528, 18706910, 37413820, 74827640]

約数ペア:

[(1, 74827640), (2, 37413820), (4, 18706910), (5, 14965528), (8, 9353455), (10, 7482764), (20, 3741382), (40, 1870691), (89, 840760), (178, 420380), (356, 210190), (445, 168152), (712, 105095), (890, 84076), (1780, 42038), (3560, 21019)]