27770480

素因数分解:

$2^4\times 5^1\times {\mathrm{347131}}^1$

素因数の和:347144

約数の個数: 20

約数和(自身を含む): 64566552

約数和(自身を除く): 36796072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347131, 694262, 1388524, 1735655, 2777048, 3471310, 5554096, 6942620, 13885240, 27770480]

約数ペア:

[(1, 27770480), (2, 13885240), (4, 6942620), (5, 5554096), (8, 3471310), (10, 2777048), (16, 1735655), (20, 1388524), (40, 694262), (80, 347131)]