42800420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164617}}^1$

素因数の和:164639

約数の個数: 24

約数和(自身を含む): 96795384

約数和(自身を除く): 53994964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164617, 329234, 658468, 823085, 1646170, 2140021, 3292340, 4280042, 8560084, 10700105, 21400210, 42800420]

約数ペア:

[(1, 42800420), (2, 21400210), (4, 10700105), (5, 8560084), (10, 4280042), (13, 3292340), (20, 2140021), (26, 1646170), (52, 823085), (65, 658468), (130, 329234), (260, 164617)]