1655420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6389

約数の個数: 24

約数和(自身を含む): 3744384

約数和(自身を除く): 2088964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6367, 12734, 25468, 31835, 63670, 82771, 127340, 165542, 331084, 413855, 827710, 1655420]

約数ペア:

[(1, 1655420), (2, 827710), (4, 413855), (5, 331084), (10, 165542), (13, 127340), (20, 82771), (26, 63670), (52, 31835), (65, 25468), (130, 12734), (260, 6367)]