26780320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23911}}^1$

素因数の和:23933

約数の個数: 48

約数和(自身を含む): 72309888

約数和(自身を除く): 45529568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 23911, 47822, 95644, 119555, 167377, 191288, 239110, 334754, 382576, 478220, 669508, 765152, 836885, 956440, 1339016, 1673770, 1912880, 2678032, 3347540, 3825760, 5356064, 6695080, 13390160, 26780320]

約数ペア:

[(1, 26780320), (2, 13390160), (4, 6695080), (5, 5356064), (7, 3825760), (8, 3347540), (10, 2678032), (14, 1912880), (16, 1673770), (20, 1339016), (28, 956440), (32, 836885), (35, 765152), (40, 669508), (56, 478220), (70, 382576), (80, 334754), (112, 239110), (140, 191288), (160, 167377), (224, 119555), (280, 95644), (560, 47822), (1120, 23911)]