7819940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5507}}^1$

素因数の和:5587

約数の個数: 24

約数和(自身を含む): 16656192

約数和(自身を除く): 8836252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5507, 11014, 22028, 27535, 55070, 110140, 390997, 781994, 1563988, 1954985, 3909970, 7819940]

約数ペア:

[(1, 7819940), (2, 3909970), (4, 1954985), (5, 1563988), (10, 781994), (20, 390997), (71, 110140), (142, 55070), (284, 27535), (355, 22028), (710, 11014), (1420, 5507)]