4070825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 5597856

約数和(自身を除く): 1527031

約数列:

[1, 5, 11, 25, 55, 113, 131, 275, 565, 655, 1243, 1441, 2825, 3275, 6215, 7205, 14803, 31075, 36025, 74015, 162833, 370075, 814165, 4070825]

約数ペア:

[(1, 4070825), (5, 814165), (11, 370075), (25, 162833), (55, 74015), (113, 36025), (131, 31075), (275, 14803), (565, 7205), (655, 6215), (1243, 3275), (1441, 2825)]