8589901820

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{220141}}^1$

素因数の和:222101

約数の個数: 24

約数和(自身を含む): 18048121728

約数和(自身を除く): 9458219908

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 220141, 440282, 880564, 1100705, 2201410, 4402820, 429495091, 858990182, 1717980364, 2147475455, 4294950910, 8589901820]

約数ペア:

[(1, 8589901820), (2, 4294950910), (4, 2147475455), (5, 1717980364), (10, 858990182), (20, 429495091), (1951, 4402820), (3902, 2201410), (7804, 1100705), (9755, 880564), (19510, 440282), (39020, 220141)]