206840140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{795539}}^1$

素因数の和:795561

約数の個数: 24

約数和(自身を含む): 467777520

約数和(自身を除く): 260937380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 795539, 1591078, 3182156, 3977695, 7955390, 10342007, 15910780, 20684014, 41368028, 51710035, 103420070, 206840140]

約数ペア:

[(1, 206840140), (2, 103420070), (4, 51710035), (5, 41368028), (10, 20684014), (13, 15910780), (20, 10342007), (26, 7955390), (52, 3977695), (65, 3182156), (130, 1591078), (260, 795539)]