413660920

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{23557}}^1$

素因数の和:24007

約数の個数: 32

約数和(自身を含む): 932896800

約数和(自身を除く): 519235880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 23557, 47114, 94228, 117785, 188456, 235570, 471140, 942280, 10341523, 20683046, 41366092, 51707615, 82732184, 103415230, 206830460, 413660920]

約数ペア:

[(1, 413660920), (2, 206830460), (4, 103415230), (5, 82732184), (8, 51707615), (10, 41366092), (20, 20683046), (40, 10341523), (439, 942280), (878, 471140), (1756, 235570), (2195, 188456), (3512, 117785), (4390, 94228), (8780, 47114), (17560, 23557)]