28877860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11933}}^1$

素因数の和:11964

約数の個数: 36

約数和(自身を含む): 66663324

約数和(自身を除く): 37785464

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11933, 23866, 47732, 59665, 119330, 131263, 238660, 262526, 525052, 656315, 1312630, 1443893, 2625260, 2887786, 5775572, 7219465, 14438930, 28877860]

約数ペア:

[(1, 28877860), (2, 14438930), (4, 7219465), (5, 5775572), (10, 2887786), (11, 2625260), (20, 1443893), (22, 1312630), (44, 656315), (55, 525052), (110, 262526), (121, 238660), (220, 131263), (242, 119330), (484, 59665), (605, 47732), (1210, 23866), (2420, 11933)]