1300340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 2768640

約数和(自身を除く): 1468300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 823, 1580, 1646, 3292, 4115, 8230, 16460, 65017, 130034, 260068, 325085, 650170, 1300340]

約数ペア:

[(1, 1300340), (2, 650170), (4, 325085), (5, 260068), (10, 130034), (20, 65017), (79, 16460), (158, 8230), (316, 4115), (395, 3292), (790, 1646), (823, 1580)]