201608920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{33827}}^1$

素因数の和:33987

約数の個数: 32

約数和(自身を含む): 456678000

約数和(自身を除く): 255069080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 33827, 67654, 135308, 169135, 270616, 338270, 676540, 1353080, 5040223, 10080446, 20160892, 25201115, 40321784, 50402230, 100804460, 201608920]

約数ペア:

[(1, 201608920), (2, 100804460), (4, 50402230), (5, 40321784), (8, 25201115), (10, 20160892), (20, 10080446), (40, 5040223), (149, 1353080), (298, 676540), (596, 338270), (745, 270616), (1192, 169135), (1490, 135308), (2980, 67654), (5960, 33827)]