28205650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{51283}}^1$

素因数の和:51306

約数の個数: 24

約数和(自身を含む): 57232944

約数和(自身を除く): 29027294

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 51283, 102566, 256415, 512830, 564113, 1128226, 1282075, 2564150, 2820565, 5641130, 14102825, 28205650]

約数ペア:

[(1, 28205650), (2, 14102825), (5, 5641130), (10, 2820565), (11, 2564150), (22, 1282075), (25, 1128226), (50, 564113), (55, 512830), (110, 256415), (275, 102566), (550, 51283)]