1720194320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1654033}}^1$

素因数の和:1654059

約数の個数: 40

約数和(自身を含む): 4307104536

約数和(自身を除く): 2586910216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1654033, 3308066, 6616132, 8270165, 13232264, 16540330, 21502429, 26464528, 33080660, 43004858, 66161320, 86009716, 107512145, 132322640, 172019432, 215024290, 344038864, 430048580, 860097160, 1720194320]

約数ペア:

[(1, 1720194320), (2, 860097160), (4, 430048580), (5, 344038864), (8, 215024290), (10, 172019432), (13, 132322640), (16, 107512145), (20, 86009716), (26, 66161320), (40, 43004858), (52, 33080660), (65, 26464528), (80, 21502429), (104, 16540330), (130, 13232264), (208, 8270165), (260, 6616132), (520, 3308066), (1040, 1654033)]