137804560

素因数分解:

$2^4\times 5^1\times {\mathrm{1722557}}^1$

素因数の和:1722570

約数の個数: 20

約数和(自身を含む): 320395788

約数和(自身を除く): 182591228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1722557, 3445114, 6890228, 8612785, 13780456, 17225570, 27560912, 34451140, 68902280, 137804560]

約数ペア:

[(1, 137804560), (2, 68902280), (4, 34451140), (5, 27560912), (8, 17225570), (10, 13780456), (16, 8612785), (20, 6890228), (40, 3445114), (80, 1722557)]