27290980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19219}}^1$

素因数の和:19299

約数の個数: 24

約数和(自身を含む): 58121280

約数和(自身を除く): 30830300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 19219, 38438, 76876, 96095, 192190, 384380, 1364549, 2729098, 5458196, 6822745, 13645490, 27290980]

約数ペア:

[(1, 27290980), (2, 13645490), (4, 6822745), (5, 5458196), (10, 2729098), (20, 1364549), (71, 384380), (142, 192190), (284, 96095), (355, 76876), (710, 38438), (1420, 19219)]