173820140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668539}}^1$

素因数の和:668561

約数の個数: 24

約数和(自身を含む): 393101520

約数和(自身を除く): 219281380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 668539, 1337078, 2674156, 3342695, 6685390, 8691007, 13370780, 17382014, 34764028, 43455035, 86910070, 173820140]

約数ペア:

[(1, 173820140), (2, 86910070), (4, 43455035), (5, 34764028), (10, 17382014), (13, 13370780), (20, 8691007), (26, 6685390), (52, 3342695), (65, 2674156), (130, 1337078), (260, 668539)]