7394140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28439}}^1$

素因数の和:28461

約数の個数: 24

約数和(自身を含む): 16722720

約数和(自身を除く): 9328580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28439, 56878, 113756, 142195, 284390, 369707, 568780, 739414, 1478828, 1848535, 3697070, 7394140]

約数ペア:

[(1, 7394140), (2, 3697070), (4, 1848535), (5, 1478828), (10, 739414), (13, 568780), (20, 369707), (26, 284390), (52, 142195), (65, 113756), (130, 56878), (260, 28439)]