13405460

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{907}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 28220640

約数和(自身を除く): 14815180

約数列:

[1, 2, 4, 5, 10, 20, 739, 907, 1478, 1814, 2956, 3628, 3695, 4535, 7390, 9070, 14780, 18140, 670273, 1340546, 2681092, 3351365, 6702730, 13405460]

約数ペア:

[(1, 13405460), (2, 6702730), (4, 3351365), (5, 2681092), (10, 1340546), (20, 670273), (739, 18140), (907, 14780), (1478, 9070), (1814, 7390), (2956, 4535), (3628, 3695)]