520020895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 663448320

約数和(自身を除く): 143427425

約数列:

[1, 5, 29, 53, 145, 157, 265, 431, 785, 1537, 2155, 4553, 7685, 8321, 12499, 22765, 22843, 41605, 62495, 67667, 114215, 241309, 338335, 662447, 1206545, 1962343, 3312235, 3586351, 9811715, 17931755, 104004179, 520020895]

約数ペア:

[(1, 520020895), (5, 104004179), (29, 17931755), (53, 9811715), (145, 3586351), (157, 3312235), (265, 1962343), (431, 1206545), (785, 662447), (1537, 338335), (2155, 241309), (4553, 114215), (7685, 67667), (8321, 62495), (12499, 41605), (22765, 22843)]