28547900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9209}}^1$

素因数の和:9254

約数の個数: 36

約数和(自身を含む): 63954240

約数和(自身を除く): 35406340

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 9209, 18418, 36836, 46045, 92090, 184180, 230225, 285479, 460450, 570958, 920900, 1141916, 1427395, 2854790, 5709580, 7136975, 14273950, 28547900]

約数ペア:

[(1, 28547900), (2, 14273950), (4, 7136975), (5, 5709580), (10, 2854790), (20, 1427395), (25, 1141916), (31, 920900), (50, 570958), (62, 460450), (100, 285479), (124, 230225), (155, 184180), (310, 92090), (620, 46045), (775, 36836), (1550, 18418), (3100, 9209)]