66185890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 123243120

約数和(自身を除く): 57057230

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 1090, 1481, 2962, 4469, 7405, 8938, 14810, 22345, 44690, 60721, 121442, 161429, 303605, 322858, 607210, 807145, 1614290, 6618589, 13237178, 33092945, 66185890]

約数ペア:

[(1, 66185890), (2, 33092945), (5, 13237178), (10, 6618589), (41, 1614290), (82, 807145), (109, 607210), (205, 322858), (218, 303605), (410, 161429), (545, 121442), (1090, 60721), (1481, 44690), (2962, 22345), (4469, 14810), (7405, 8938)]