54199940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 116290944

約数和(自身を除く): 62091004

約数列:

[1, 2, 4, 5, 10, 20, 131, 137, 151, 262, 274, 302, 524, 548, 604, 655, 685, 755, 1310, 1370, 1510, 2620, 2740, 3020, 17947, 19781, 20687, 35894, 39562, 41374, 71788, 79124, 82748, 89735, 98905, 103435, 179470, 197810, 206870, 358940, 395620, 413740, 2709997, 5419994, 10839988, 13549985, 27099970, 54199940]

約数ペア:

[(1, 54199940), (2, 27099970), (4, 13549985), (5, 10839988), (10, 5419994), (20, 2709997), (131, 413740), (137, 395620), (151, 358940), (262, 206870), (274, 197810), (302, 179470), (524, 103435), (548, 98905), (604, 89735), (655, 82748), (685, 79124), (755, 71788), (1310, 41374), (1370, 39562), (1510, 35894), (2620, 20687), (2740, 19781), (3020, 17947)]