27654320

素因数分解:

$2^4\times 5^1\times {\mathrm{345679}}^1$

素因数の和:345692

約数の個数: 20

約数和(自身を含む): 64296480

約数和(自身を除く): 36642160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345679, 691358, 1382716, 1728395, 2765432, 3456790, 5530864, 6913580, 13827160, 27654320]

約数ペア:

[(1, 27654320), (2, 13827160), (4, 6913580), (5, 5530864), (8, 3456790), (10, 2765432), (16, 1728395), (20, 1382716), (40, 691358), (80, 345679)]