77750960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138841}}^1$

素因数の和:138861

約数の個数: 40

約数和(自身を含む): 206596896

約数和(自身を除く): 128845936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138841, 277682, 555364, 694205, 971887, 1110728, 1388410, 1943774, 2221456, 2776820, 3887548, 4859435, 5553640, 7775096, 9718870, 11107280, 15550192, 19437740, 38875480, 77750960]

約数ペア:

[(1, 77750960), (2, 38875480), (4, 19437740), (5, 15550192), (7, 11107280), (8, 9718870), (10, 7775096), (14, 5553640), (16, 4859435), (20, 3887548), (28, 2776820), (35, 2221456), (40, 1943774), (56, 1388410), (70, 1110728), (80, 971887), (112, 694205), (140, 555364), (280, 277682), (560, 138841)]