27990110

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25679}}^1$

素因数の和:25795

約数の個数: 16

約数和(自身を含む): 50846400

約数和(自身を除く): 22856290

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 25679, 51358, 128395, 256790, 2799011, 5598022, 13995055, 27990110]

約数ペア:

[(1, 27990110), (2, 13995055), (5, 5598022), (10, 2799011), (109, 256790), (218, 128395), (545, 51358), (1090, 25679)]