22009480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2141}}^1$

素因数の和:2409

約数の個数: 32

約数和(自身を含む): 49737240

約数和(自身を除く): 27727760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2141, 2570, 4282, 5140, 8564, 10280, 10705, 17128, 21410, 42820, 85640, 550237, 1100474, 2200948, 2751185, 4401896, 5502370, 11004740, 22009480]

約数ペア:

[(1, 22009480), (2, 11004740), (4, 5502370), (5, 4401896), (8, 2751185), (10, 2200948), (20, 1100474), (40, 550237), (257, 85640), (514, 42820), (1028, 21410), (1285, 17128), (2056, 10705), (2141, 10280), (2570, 8564), (4282, 5140)]