15974320

素因数分解:

$2^4\times 5^1\times {\mathrm{199679}}^1$

素因数の和:199692

約数の個数: 20

約数和(自身を含む): 37140480

約数和(自身を除く): 21166160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199679, 399358, 798716, 998395, 1597432, 1996790, 3194864, 3993580, 7987160, 15974320]

約数ペア:

[(1, 15974320), (2, 7987160), (4, 3993580), (5, 3194864), (8, 1996790), (10, 1597432), (16, 998395), (20, 798716), (40, 399358), (80, 199679)]