164671880

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{5231}}^1$

素因数の和:6029

約数の個数: 32

約数和(自身を含む): 371053440

約数和(自身を除く): 206381560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 3148, 3935, 5231, 6296, 7870, 10462, 15740, 20924, 26155, 31480, 41848, 52310, 104620, 209240, 4116797, 8233594, 16467188, 20583985, 32934376, 41167970, 82335940, 164671880]

約数ペア:

[(1, 164671880), (2, 82335940), (4, 41167970), (5, 32934376), (8, 20583985), (10, 16467188), (20, 8233594), (40, 4116797), (787, 209240), (1574, 104620), (3148, 52310), (3935, 41848), (5231, 31480), (6296, 26155), (7870, 20924), (10462, 15740)]