77904140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{53359}}^1$

素因数の和:53441

約数の個数: 24

約数和(自身を含む): 165842880

約数和(自身を除く): 87938740

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 53359, 106718, 213436, 266795, 533590, 1067180, 3895207, 7790414, 15580828, 19476035, 38952070, 77904140]

約数ペア:

[(1, 77904140), (2, 38952070), (4, 19476035), (5, 15580828), (10, 7790414), (20, 3895207), (73, 1067180), (146, 533590), (292, 266795), (365, 213436), (730, 106718), (1460, 53359)]