55211120

素因数分解:

$2^4\times 5^1\times {\mathrm{690139}}^1$

素因数の和:690152

約数の個数: 20

約数和(自身を含む): 128366040

約数和(自身を除く): 73154920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690139, 1380278, 2760556, 3450695, 5521112, 6901390, 11042224, 13802780, 27605560, 55211120]

約数ペア:

[(1, 55211120), (2, 27605560), (4, 13802780), (5, 11042224), (8, 6901390), (10, 5521112), (16, 3450695), (20, 2760556), (40, 1380278), (80, 690139)]