55128320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3313}}^1$

素因数の和:3347

約数の個数: 72

約数和(自身を含む): 142250136

約数和(自身を除く): 87121816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3313, 3328, 4160, 6626, 8320, 13252, 16565, 16640, 26504, 33130, 43069, 53008, 66260, 86138, 106016, 132520, 172276, 212032, 215345, 265040, 344552, 424064, 430690, 530080, 689104, 848128, 861380, 1060160, 1378208, 1722760, 2120320, 2756416, 3445520, 4240640, 5512832, 6891040, 11025664, 13782080, 27564160, 55128320]

約数ペア:

[(1, 55128320), (2, 27564160), (4, 13782080), (5, 11025664), (8, 6891040), (10, 5512832), (13, 4240640), (16, 3445520), (20, 2756416), (26, 2120320), (32, 1722760), (40, 1378208), (52, 1060160), (64, 861380), (65, 848128), (80, 689104), (104, 530080), (128, 430690), (130, 424064), (160, 344552), (208, 265040), (256, 215345), (260, 212032), (320, 172276), (416, 132520), (520, 106016), (640, 86138), (832, 66260), (1040, 53008), (1280, 43069), (1664, 33130), (2080, 26504), (3313, 16640), (3328, 16565), (4160, 13252), (6626, 8320)]