39988490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 77801472

約数和(自身を除く): 37812982

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 127, 185, 230, 254, 370, 635, 851, 1270, 1369, 1702, 2738, 2921, 4255, 4699, 5842, 6845, 8510, 9398, 13690, 14605, 23495, 29210, 31487, 46990, 62974, 108077, 157435, 173863, 216154, 314870, 347726, 540385, 869315, 1080770, 1738630, 3998849, 7997698, 19994245, 39988490]

約数ペア:

[(1, 39988490), (2, 19994245), (5, 7997698), (10, 3998849), (23, 1738630), (37, 1080770), (46, 869315), (74, 540385), (115, 347726), (127, 314870), (185, 216154), (230, 173863), (254, 157435), (370, 108077), (635, 62974), (851, 46990), (1270, 31487), (1369, 29210), (1702, 23495), (2738, 14605), (2921, 13690), (4255, 9398), (4699, 8510), (5842, 6845)]