7266920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 16480800

約数和(自身を除く): 9213880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1307, 1390, 2614, 2780, 5228, 5560, 6535, 10456, 13070, 26140, 52280, 181673, 363346, 726692, 908365, 1453384, 1816730, 3633460, 7266920]

約数ペア:

[(1, 7266920), (2, 3633460), (4, 1816730), (5, 1453384), (8, 908365), (10, 726692), (20, 363346), (40, 181673), (139, 52280), (278, 26140), (556, 13070), (695, 10456), (1112, 6535), (1307, 5560), (1390, 5228), (2614, 2780)]