25663840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5531}}^1$

素因数の和:5575

約数の個数: 48

約数和(自身を含む): 62732880

約数和(自身を除く): 37069040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 5531, 11062, 22124, 27655, 44248, 55310, 88496, 110620, 160399, 176992, 221240, 320798, 442480, 641596, 801995, 884960, 1283192, 1603990, 2566384, 3207980, 5132768, 6415960, 12831920, 25663840]

約数ペア:

[(1, 25663840), (2, 12831920), (4, 6415960), (5, 5132768), (8, 3207980), (10, 2566384), (16, 1603990), (20, 1283192), (29, 884960), (32, 801995), (40, 641596), (58, 442480), (80, 320798), (116, 221240), (145, 176992), (160, 160399), (232, 110620), (290, 88496), (464, 55310), (580, 44248), (928, 27655), (1160, 22124), (2320, 11062), (4640, 5531)]