127564000

素因数分解:

$2^5\times 5^3\times {\mathrm{31891}}^1$

素因数の和:31916

約数の個数: 48

約数和(自身を含む): 313434576

約数和(自身を除く): 185870576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 31891, 63782, 127564, 159455, 255128, 318910, 510256, 637820, 797275, 1020512, 1275640, 1594550, 2551280, 3189100, 3986375, 5102560, 6378200, 7972750, 12756400, 15945500, 25512800, 31891000, 63782000, 127564000]

約数ペア:

[(1, 127564000), (2, 63782000), (4, 31891000), (5, 25512800), (8, 15945500), (10, 12756400), (16, 7972750), (20, 6378200), (25, 5102560), (32, 3986375), (40, 3189100), (50, 2551280), (80, 1594550), (100, 1275640), (125, 1020512), (160, 797275), (200, 637820), (250, 510256), (400, 318910), (500, 255128), (800, 159455), (1000, 127564), (2000, 63782), (4000, 31891)]