30855620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81199}}^1$

素因数の和:81227

約数の個数: 24

約数和(自身を含む): 68208000

約数和(自身を除く): 37352380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81199, 162398, 324796, 405995, 811990, 1542781, 1623980, 3085562, 6171124, 7713905, 15427810, 30855620]

約数ペア:

[(1, 30855620), (2, 15427810), (4, 7713905), (5, 6171124), (10, 3085562), (19, 1623980), (20, 1542781), (38, 811990), (76, 405995), (95, 324796), (190, 162398), (380, 81199)]