67640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 162000

約数和(自身を除く): 94360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 33820, 67640]

約数ペア:

[(1, 67640), (2, 33820), (4, 16910), (5, 13528), (8, 8455), (10, 6764), (19, 3560), (20, 3382), (38, 1780), (40, 1691), (76, 890), (89, 760), (95, 712), (152, 445), (178, 380), (190, 356)]