5449340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 12324480

約数和(自身を除く): 6875140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20959, 41918, 83836, 104795, 209590, 272467, 419180, 544934, 1089868, 1362335, 2724670, 5449340]

約数ペア:

[(1, 5449340), (2, 2724670), (4, 1362335), (5, 1089868), (10, 544934), (13, 419180), (20, 272467), (26, 209590), (52, 104795), (65, 83836), (130, 41918), (260, 20959)]