85725775

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 108492560

約数和(自身を除く): 22766785

約数列:

[1, 5, 25, 109, 163, 193, 545, 815, 965, 2725, 4075, 4825, 17767, 21037, 31459, 88835, 105185, 157295, 444175, 525925, 786475, 3429031, 17145155, 85725775]

約数ペア:

[(1, 85725775), (5, 17145155), (25, 3429031), (109, 786475), (163, 525925), (193, 444175), (545, 157295), (815, 105185), (965, 88835), (2725, 31459), (4075, 21037), (4825, 17767)]