55078160

素因数分解:

$2^4\times 5^1\times {\mathrm{688477}}^1$

素因数の和:688490

約数の個数: 20

約数和(自身を含む): 128056908

約数和(自身を除く): 72978748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688477, 1376954, 2753908, 3442385, 5507816, 6884770, 11015632, 13769540, 27539080, 55078160]

約数ペア:

[(1, 55078160), (2, 27539080), (4, 13769540), (5, 11015632), (8, 6884770), (10, 5507816), (16, 3442385), (20, 2753908), (40, 1376954), (80, 688477)]