8019805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 2866595

約数列:

[1, 5, 19, 29, 41, 71, 95, 145, 205, 355, 551, 779, 1189, 1349, 2059, 2755, 2911, 3895, 5945, 6745, 10295, 14555, 22591, 39121, 55309, 84419, 112955, 195605, 276545, 422095, 1603961, 8019805]

約数ペア:

[(1, 8019805), (5, 1603961), (19, 422095), (29, 276545), (41, 195605), (71, 112955), (95, 84419), (145, 55309), (205, 39121), (355, 22591), (551, 14555), (779, 10295), (1189, 6745), (1349, 5945), (2059, 3895), (2755, 2911)]