11390780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5639}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 24161760

約数和(自身を除く): 12770980

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 5639, 11278, 22556, 28195, 56390, 112780, 569539, 1139078, 2278156, 2847695, 5695390, 11390780]

約数ペア:

[(1, 11390780), (2, 5695390), (4, 2847695), (5, 2278156), (10, 1139078), (20, 569539), (101, 112780), (202, 56390), (404, 28195), (505, 22556), (1010, 11278), (2020, 5639)]