31103960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7699}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 70686000

約数和(自身を除く): 39582040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7699, 15398, 30796, 38495, 61592, 76990, 153980, 307960, 777599, 1555198, 3110396, 3887995, 6220792, 7775990, 15551980, 31103960]

約数ペア:

[(1, 31103960), (2, 15551980), (4, 7775990), (5, 6220792), (8, 3887995), (10, 3110396), (20, 1555198), (40, 777599), (101, 307960), (202, 153980), (404, 76990), (505, 61592), (808, 38495), (1010, 30796), (2020, 15398), (4040, 7699)]