28272125

素因数分解:

$5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 40934400

約数和(自身を除く): 12662275

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 409, 553, 875, 1975, 2045, 2765, 2863, 9875, 10225, 13825, 14315, 32311, 51125, 69125, 71575, 161555, 226177, 357875, 807775, 1130885, 4038875, 5654425, 28272125]

約数ペア:

[(1, 28272125), (5, 5654425), (7, 4038875), (25, 1130885), (35, 807775), (79, 357875), (125, 226177), (175, 161555), (395, 71575), (409, 69125), (553, 51125), (875, 32311), (1975, 14315), (2045, 13825), (2765, 10225), (2863, 9875)]