123035320

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{12763}}^1$

素因数の和:13015

約数の個数: 32

約数和(自身を含む): 277999920

約数和(自身を除く): 154964600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 12763, 25526, 51052, 63815, 102104, 127630, 255260, 510520, 3075883, 6151766, 12303532, 15379415, 24607064, 30758830, 61517660, 123035320]

約数ペア:

[(1, 123035320), (2, 61517660), (4, 30758830), (5, 24607064), (8, 15379415), (10, 12303532), (20, 6151766), (40, 3075883), (241, 510520), (482, 255260), (964, 127630), (1205, 102104), (1928, 63815), (2410, 51052), (4820, 25526), (9640, 12763)]