2578736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3980

約数の個数: 20

約数和(自身を含む): 5119464

約数和(自身を除く): 2540728

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 3931, 7862, 15724, 31448, 62896, 161171, 322342, 644684, 1289368, 2578736]

約数ペア:

[(1, 2578736), (2, 1289368), (4, 644684), (8, 322342), (16, 161171), (41, 62896), (82, 31448), (164, 15724), (328, 7862), (656, 3931)]