4103156920

素因数分解:

$2^3\times 5^1\times {\mathrm{20357}}^1\times {\mathrm{5039}}^1$

素因数の和:25407

約数の個数: 32

約数和(自身を含む): 9234388800

約数和(自身を除く): 5131231880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039, 10078, 20156, 20357, 25195, 40312, 40714, 50390, 81428, 100780, 101785, 162856, 201560, 203570, 407140, 814280, 102578923, 205157846, 410315692, 512894615, 820631384, 1025789230, 2051578460, 4103156920]

約数ペア:

[(1, 4103156920), (2, 2051578460), (4, 1025789230), (5, 820631384), (8, 512894615), (10, 410315692), (20, 205157846), (40, 102578923), (5039, 814280), (10078, 407140), (20156, 203570), (20357, 201560), (25195, 162856), (40312, 101785), (40714, 100780), (50390, 81428)]