5280421840

素因数分解:

$2^4\times 5^1\times {\mathrm{66005273}}^1$

素因数の和:66005286

約数の個数: 20

約数和(自身を含む): 12276980964

約数和(自身を除く): 6996559124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 66005273, 132010546, 264021092, 330026365, 528042184, 660052730, 1056084368, 1320105460, 2640210920, 5280421840]

約数ペア:

[(1, 5280421840), (2, 2640210920), (4, 1320105460), (5, 1056084368), (8, 660052730), (10, 528042184), (16, 330026365), (20, 264021092), (40, 132010546), (80, 66005273)]