55578640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53441}}^1$

素因数の和:53467

約数の個数: 40

約数和(自身を含む): 139162968

約数和(自身を除く): 83584328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53441, 106882, 213764, 267205, 427528, 534410, 694733, 855056, 1068820, 1389466, 2137640, 2778932, 3473665, 4275280, 5557864, 6947330, 11115728, 13894660, 27789320, 55578640]

約数ペア:

[(1, 55578640), (2, 27789320), (4, 13894660), (5, 11115728), (8, 6947330), (10, 5557864), (13, 4275280), (16, 3473665), (20, 2778932), (26, 2137640), (40, 1389466), (52, 1068820), (65, 855056), (80, 694733), (104, 534410), (130, 427528), (208, 267205), (260, 213764), (520, 106882), (1040, 53441)]