28497220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17167}}^1$

素因数の和:17259

約数の個数: 24

約数和(自身を含む): 60568704

約数和(自身を除く): 32071484

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17167, 34334, 68668, 85835, 171670, 343340, 1424861, 2849722, 5699444, 7124305, 14248610, 28497220]

約数ペア:

[(1, 28497220), (2, 14248610), (4, 7124305), (5, 5699444), (10, 2849722), (20, 1424861), (83, 343340), (166, 171670), (332, 85835), (415, 68668), (830, 34334), (1660, 17167)]