28262650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43481}}^1$

素因数の和:43506

約数の個数: 24

約数和(自身を含む): 56613564

約数和(自身を除く): 28350914

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43481, 86962, 217405, 434810, 565253, 1087025, 1130506, 2174050, 2826265, 5652530, 14131325, 28262650]

約数ペア:

[(1, 28262650), (2, 14131325), (5, 5652530), (10, 2826265), (13, 2174050), (25, 1130506), (26, 1087025), (50, 565253), (65, 434810), (130, 217405), (325, 86962), (650, 43481)]