2048807720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1249273}}^1$

素因数の和:1249325

約数の個数: 32

約数和(自身を含む): 4722255720

約数和(自身を除く): 2673448000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1249273, 2498546, 4997092, 6246365, 9994184, 12492730, 24985460, 49970920, 51220193, 102440386, 204880772, 256100965, 409761544, 512201930, 1024403860, 2048807720]

約数ペア:

[(1, 2048807720), (2, 1024403860), (4, 512201930), (5, 409761544), (8, 256100965), (10, 204880772), (20, 102440386), (40, 51220193), (41, 49970920), (82, 24985460), (164, 12492730), (205, 9994184), (328, 6246365), (410, 4997092), (820, 2498546), (1640, 1249273)]