29920360

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3797}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 67680360

約数和(自身を除く): 37760000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3797, 3940, 7594, 7880, 15188, 18985, 30376, 37970, 75940, 151880, 748009, 1496018, 2992036, 3740045, 5984072, 7480090, 14960180, 29920360]

約数ペア:

[(1, 29920360), (2, 14960180), (4, 7480090), (5, 5984072), (8, 3740045), (10, 2992036), (20, 1496018), (40, 748009), (197, 151880), (394, 75940), (788, 37970), (985, 30376), (1576, 18985), (1970, 15188), (3797, 7880), (3940, 7594)]