31847320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7883}}^1$

素因数の和:7995

約数の個数: 32

約数和(自身を含む): 72375120

約数和(自身を除く): 40527800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7883, 15766, 31532, 39415, 63064, 78830, 157660, 315320, 796183, 1592366, 3184732, 3980915, 6369464, 7961830, 15923660, 31847320]

約数ペア:

[(1, 31847320), (2, 15923660), (4, 7961830), (5, 6369464), (8, 3980915), (10, 3184732), (20, 1592366), (40, 796183), (101, 315320), (202, 157660), (404, 78830), (505, 63064), (808, 39415), (1010, 31532), (2020, 15766), (4040, 7883)]