138033520

素因数分解:

$2^4\times 5^1\times {\mathrm{1725419}}^1$

素因数の和:1725432

約数の個数: 20

約数和(自身を含む): 320928120

約数和(自身を除く): 182894600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1725419, 3450838, 6901676, 8627095, 13803352, 17254190, 27606704, 34508380, 69016760, 138033520]

約数ペア:

[(1, 138033520), (2, 69016760), (4, 34508380), (5, 27606704), (8, 17254190), (10, 13803352), (16, 8627095), (20, 6901676), (40, 3450838), (80, 1725419)]