61403960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15199}}^1$

素因数の和:15311

約数の個数: 32

約数和(自身を含む): 139536000

約数和(自身を除く): 78132040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 15199, 30398, 60796, 75995, 121592, 151990, 303980, 607960, 1535099, 3070198, 6140396, 7675495, 12280792, 15350990, 30701980, 61403960]

約数ペア:

[(1, 61403960), (2, 30701980), (4, 15350990), (5, 12280792), (8, 7675495), (10, 6140396), (20, 3070198), (40, 1535099), (101, 607960), (202, 303980), (404, 151990), (505, 121592), (808, 75995), (1010, 60796), (2020, 30398), (4040, 15199)]