42422000

素因数分解:

$2^4\times 5^3\times {\mathrm{21211}}^1$

素因数の和:21234

約数の個数: 40

約数和(自身を含む): 102581232

約数和(自身を除く): 60159232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 21211, 42422, 84844, 106055, 169688, 212110, 339376, 424220, 530275, 848440, 1060550, 1696880, 2121100, 2651375, 4242200, 5302750, 8484400, 10605500, 21211000, 42422000]

約数ペア:

[(1, 42422000), (2, 21211000), (4, 10605500), (5, 8484400), (8, 5302750), (10, 4242200), (16, 2651375), (20, 2121100), (25, 1696880), (40, 1060550), (50, 848440), (80, 530275), (100, 424220), (125, 339376), (200, 212110), (250, 169688), (400, 106055), (500, 84844), (1000, 42422), (2000, 21211)]