80705275

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20051}}^1$

素因数の和:20091

約数の個数: 24

約数和(自身を含む): 119349504

約数和(自身を除く): 38644229

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 20051, 100255, 140357, 461173, 501275, 701785, 2305865, 3228211, 3508925, 11529325, 16141055, 80705275]

約数ペア:

[(1, 80705275), (5, 16141055), (7, 11529325), (23, 3508925), (25, 3228211), (35, 2305865), (115, 701785), (161, 501275), (175, 461173), (575, 140357), (805, 100255), (4025, 20051)]