77810240

素因数分解:

$2^6\times 5^1\times {\mathrm{243157}}^1$

素因数の和:243174

約数の個数: 28

約数和(自身を含む): 185286396

約数和(自身を除く): 107476156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243157, 486314, 972628, 1215785, 1945256, 2431570, 3890512, 4863140, 7781024, 9726280, 15562048, 19452560, 38905120, 77810240]

約数ペア:

[(1, 77810240), (2, 38905120), (4, 19452560), (5, 15562048), (8, 9726280), (10, 7781024), (16, 4863140), (20, 3890512), (32, 2431570), (40, 1945256), (64, 1215785), (80, 972628), (160, 486314), (320, 243157)]