135702920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24407}}^1$

素因数の和:24557

約数の個数: 32

約数和(自身を含む): 307540800

約数和(自身を除く): 171837880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 24407, 48814, 97628, 122035, 195256, 244070, 488140, 976280, 3392573, 6785146, 13570292, 16962865, 27140584, 33925730, 67851460, 135702920]

約数ペア:

[(1, 135702920), (2, 67851460), (4, 33925730), (5, 27140584), (8, 16962865), (10, 13570292), (20, 6785146), (40, 3392573), (139, 976280), (278, 488140), (556, 244070), (695, 195256), (1112, 122035), (1390, 97628), (2780, 48814), (5560, 24407)]