27810320

素因数分解:

$2^4\times 5^1\times {\mathrm{347629}}^1$

素因数の和:347642

約数の個数: 20

約数和(自身を含む): 64659180

約数和(自身を除く): 36848860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347629, 695258, 1390516, 1738145, 2781032, 3476290, 5562064, 6952580, 13905160, 27810320]

約数ペア:

[(1, 27810320), (2, 13905160), (4, 6952580), (5, 5562064), (8, 3476290), (10, 2781032), (16, 1738145), (20, 1390516), (40, 695258), (80, 347629)]