6489640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8539}}^1$

素因数の和:8569

約数の個数: 32

約数和(自身を含む): 15372000

約数和(自身を除く): 8882360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 8539, 17078, 34156, 42695, 68312, 85390, 162241, 170780, 324482, 341560, 648964, 811205, 1297928, 1622410, 3244820, 6489640]

約数ペア:

[(1, 6489640), (2, 3244820), (4, 1622410), (5, 1297928), (8, 811205), (10, 648964), (19, 341560), (20, 324482), (38, 170780), (40, 162241), (76, 85390), (95, 68312), (152, 42695), (190, 34156), (380, 17078), (760, 8539)]