2803840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 7239960

約数和(自身を除く): 4436120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 337, 416, 520, 640, 674, 832, 1040, 1348, 1664, 1685, 2080, 2696, 3370, 4160, 4381, 5392, 6740, 8320, 8762, 10784, 13480, 17524, 21568, 21905, 26960, 35048, 43136, 43810, 53920, 70096, 87620, 107840, 140192, 175240, 215680, 280384, 350480, 560768, 700960, 1401920, 2803840]

約数ペア:

[(1, 2803840), (2, 1401920), (4, 700960), (5, 560768), (8, 350480), (10, 280384), (13, 215680), (16, 175240), (20, 140192), (26, 107840), (32, 87620), (40, 70096), (52, 53920), (64, 43810), (65, 43136), (80, 35048), (104, 26960), (128, 21905), (130, 21568), (160, 17524), (208, 13480), (260, 10784), (320, 8762), (337, 8320), (416, 6740), (520, 5392), (640, 4381), (674, 4160), (832, 3370), (1040, 2696), (1348, 2080), (1664, 1685)]