28297100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21767}}^1$

素因数の和:21794

約数の個数: 36

約数和(自身を含む): 66131184

約数和(自身を除く): 37834084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21767, 43534, 87068, 108835, 217670, 282971, 435340, 544175, 565942, 1088350, 1131884, 1414855, 2176700, 2829710, 5659420, 7074275, 14148550, 28297100]

約数ペア:

[(1, 28297100), (2, 14148550), (4, 7074275), (5, 5659420), (10, 2829710), (13, 2176700), (20, 1414855), (25, 1131884), (26, 1088350), (50, 565942), (52, 544175), (65, 435340), (100, 282971), (130, 217670), (260, 108835), (325, 87068), (650, 43534), (1300, 21767)]