127617520

素因数分解:

$2^4\times 5^1\times {\mathrm{1595219}}^1$

素因数の和:1595232

約数の個数: 20

約数和(自身を含む): 296710920

約数和(自身を除く): 169093400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1595219, 3190438, 6380876, 7976095, 12761752, 15952190, 25523504, 31904380, 63808760, 127617520]

約数ペア:

[(1, 127617520), (2, 63808760), (4, 31904380), (5, 25523504), (8, 15952190), (10, 12761752), (16, 7976095), (20, 6380876), (40, 3190438), (80, 1595219)]