169016560

素因数分解:

$2^4\times 5^1\times {\mathrm{2112707}}^1$

素因数の和:2112720

約数の個数: 20

約数和(自身を含む): 392963688

約数和(自身を除く): 223947128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2112707, 4225414, 8450828, 10563535, 16901656, 21127070, 33803312, 42254140, 84508280, 169016560]

約数ペア:

[(1, 169016560), (2, 84508280), (4, 42254140), (5, 33803312), (8, 21127070), (10, 16901656), (16, 10563535), (20, 8450828), (40, 4225414), (80, 2112707)]