28040890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17203}}^1$

素因数の和:17373

約数の個数: 16

約数和(自身を含む): 50786208

約数和(自身を除く): 22745318

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 17203, 34406, 86015, 172030, 2804089, 5608178, 14020445, 28040890]

約数ペア:

[(1, 28040890), (2, 14020445), (5, 5608178), (10, 2804089), (163, 172030), (326, 86015), (815, 34406), (1630, 17203)]