54390800

素因数分解:

$2^4\times 5^2\times {\mathrm{135977}}^1$

素因数の和:135995

約数の個数: 30

約数和(自身を含む): 130674858

約数和(自身を除く): 76284058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135977, 271954, 543908, 679885, 1087816, 1359770, 2175632, 2719540, 3399425, 5439080, 6798850, 10878160, 13597700, 27195400, 54390800]

約数ペア:

[(1, 54390800), (2, 27195400), (4, 13597700), (5, 10878160), (8, 6798850), (10, 5439080), (16, 3399425), (20, 2719540), (25, 2175632), (40, 1359770), (50, 1087816), (80, 679885), (100, 543908), (200, 271954), (400, 135977)]