55590320

素因数分解:

$2^4\times 5^1\times {\mathrm{694879}}^1$

素因数の和:694892

約数の個数: 20

約数和(自身を含む): 129247680

約数和(自身を除く): 73657360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694879, 1389758, 2779516, 3474395, 5559032, 6948790, 11118064, 13897580, 27795160, 55590320]

約数ペア:

[(1, 55590320), (2, 27795160), (4, 13897580), (5, 11118064), (8, 6948790), (10, 5559032), (16, 3474395), (20, 2779516), (40, 1389758), (80, 694879)]