42144640

素因数分解:

$2^7\times 5^1\times {\mathrm{65851}}^1$

素因数の和:65870

約数の個数: 32

約数和(自身を含む): 100753560

約数和(自身を除く): 58608920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65851, 131702, 263404, 329255, 526808, 658510, 1053616, 1317020, 2107232, 2634040, 4214464, 5268080, 8428928, 10536160, 21072320, 42144640]

約数ペア:

[(1, 42144640), (2, 21072320), (4, 10536160), (5, 8428928), (8, 5268080), (10, 4214464), (16, 2634040), (20, 2107232), (32, 1317020), (40, 1053616), (64, 658510), (80, 526808), (128, 329255), (160, 263404), (320, 131702), (640, 65851)]