355420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 804384

約数和(自身を除く): 448964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1367, 2734, 5468, 6835, 13670, 17771, 27340, 35542, 71084, 88855, 177710, 355420]

約数ペア:

[(1, 355420), (2, 177710), (4, 88855), (5, 71084), (10, 35542), (13, 27340), (20, 17771), (26, 13670), (52, 6835), (65, 5468), (130, 2734), (260, 1367)]