42967720

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3499}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 97020000

約数和(自身を除く): 54052280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 3499, 6140, 6998, 12280, 13996, 17495, 27992, 34990, 69980, 139960, 1074193, 2148386, 4296772, 5370965, 8593544, 10741930, 21483860, 42967720]

約数ペア:

[(1, 42967720), (2, 21483860), (4, 10741930), (5, 8593544), (8, 5370965), (10, 4296772), (20, 2148386), (40, 1074193), (307, 139960), (614, 69980), (1228, 34990), (1535, 27992), (2456, 17495), (3070, 13996), (3499, 12280), (6140, 6998)]