28785460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130843}}^1$

素因数の和:130863

約数の個数: 24

約数和(自身を含む): 65945376

約数和(自身を除く): 37159916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130843, 261686, 523372, 654215, 1308430, 1439273, 2616860, 2878546, 5757092, 7196365, 14392730, 28785460]

約数ペア:

[(1, 28785460), (2, 14392730), (4, 7196365), (5, 5757092), (10, 2878546), (11, 2616860), (20, 1439273), (22, 1308430), (44, 654215), (55, 523372), (110, 261686), (220, 130843)]