7321420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6907}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 15667344

約数和(自身を除く): 8345924

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 6907, 13814, 27628, 34535, 69070, 138140, 366071, 732142, 1464284, 1830355, 3660710, 7321420]

約数ペア:

[(1, 7321420), (2, 3660710), (4, 1830355), (5, 1464284), (10, 732142), (20, 366071), (53, 138140), (106, 69070), (212, 34535), (265, 27628), (530, 13814), (1060, 6907)]