28293340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19379}}^1$

素因数の和:19461

約数の個数: 24

約数和(自身を含む): 60233040

約数和(自身を除く): 31939700

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19379, 38758, 77516, 96895, 193790, 387580, 1414667, 2829334, 5658668, 7073335, 14146670, 28293340]

約数ペア:

[(1, 28293340), (2, 14146670), (4, 7073335), (5, 5658668), (10, 2829334), (20, 1414667), (73, 387580), (146, 193790), (292, 96895), (365, 77516), (730, 38758), (1460, 19379)]