80077025

素因数分解:

$5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 36

約数和(自身を含む): 116622000

約数和(自身を除く): 36544975

約数列:

[1, 5, 7, 25, 35, 49, 131, 175, 245, 499, 655, 917, 1225, 2495, 3275, 3493, 4585, 6419, 12475, 17465, 22925, 24451, 32095, 65369, 87325, 122255, 160475, 326845, 457583, 611275, 1634225, 2287915, 3203081, 11439575, 16015405, 80077025]

約数ペア:

[(1, 80077025), (5, 16015405), (7, 11439575), (25, 3203081), (35, 2287915), (49, 1634225), (131, 611275), (175, 457583), (245, 326845), (499, 160475), (655, 122255), (917, 87325), (1225, 65369), (2495, 32095), (3275, 24451), (3493, 22925), (4585, 17465), (6419, 12475)]