51760820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 112284480

約数和(自身を除く): 60523660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 433, 556, 695, 860, 866, 1390, 1732, 2165, 2780, 4330, 5977, 8660, 11954, 18619, 23908, 29885, 37238, 59770, 60187, 74476, 93095, 119540, 120374, 186190, 240748, 300935, 372380, 601870, 1203740, 2588041, 5176082, 10352164, 12940205, 25880410, 51760820]

約数ペア:

[(1, 51760820), (2, 25880410), (4, 12940205), (5, 10352164), (10, 5176082), (20, 2588041), (43, 1203740), (86, 601870), (139, 372380), (172, 300935), (215, 240748), (278, 186190), (430, 120374), (433, 119540), (556, 93095), (695, 74476), (860, 60187), (866, 59770), (1390, 37238), (1732, 29885), (2165, 23908), (2780, 18619), (4330, 11954), (5977, 8660)]