39997925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3931}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 55582752

約数和(自身を除く): 15584827

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 3931, 10175, 19655, 43241, 98275, 145447, 216205, 727235, 1081025, 1599917, 3636175, 7999585, 39997925]

約数ペア:

[(1, 39997925), (5, 7999585), (11, 3636175), (25, 1599917), (37, 1081025), (55, 727235), (185, 216205), (275, 145447), (407, 98275), (925, 43241), (2035, 19655), (3931, 10175)]