54778960

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5227}}^1$

素因数の和:5371

約数の個数: 40

約数和(自身を含む): 128357856

約数和(自身を除く): 73578896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5227, 5240, 10454, 10480, 20908, 26135, 41816, 52270, 83632, 104540, 209080, 418160, 684737, 1369474, 2738948, 3423685, 5477896, 6847370, 10955792, 13694740, 27389480, 54778960]

約数ペア:

[(1, 54778960), (2, 27389480), (4, 13694740), (5, 10955792), (8, 6847370), (10, 5477896), (16, 3423685), (20, 2738948), (40, 1369474), (80, 684737), (131, 418160), (262, 209080), (524, 104540), (655, 83632), (1048, 52270), (1310, 41816), (2096, 26135), (2620, 20908), (5227, 10480), (5240, 10454)]