85161100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20771}}^1$

素因数の和:20826

約数の個数: 36

約数和(自身を含む): 189316008

約数和(自身を除く): 104154908

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 20771, 41542, 83084, 103855, 207710, 415420, 519275, 851611, 1038550, 1703222, 2077100, 3406444, 4258055, 8516110, 17032220, 21290275, 42580550, 85161100]

約数ペア:

[(1, 85161100), (2, 42580550), (4, 21290275), (5, 17032220), (10, 8516110), (20, 4258055), (25, 3406444), (41, 2077100), (50, 1703222), (82, 1038550), (100, 851611), (164, 519275), (205, 415420), (410, 207710), (820, 103855), (1025, 83084), (2050, 41542), (4100, 20771)]