28014220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107747}}^1$

素因数の和:107769

約数の個数: 24

約数和(自身を含む): 63355824

約数和(自身を除く): 35341604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 107747, 215494, 430988, 538735, 1077470, 1400711, 2154940, 2801422, 5602844, 7003555, 14007110, 28014220]

約数ペア:

[(1, 28014220), (2, 14007110), (4, 7003555), (5, 5602844), (10, 2801422), (13, 2154940), (20, 1400711), (26, 1077470), (52, 538735), (65, 430988), (130, 215494), (260, 107747)]