80264015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 109040184

約数和(自身を除く): 28776169

約数列:

[1, 5, 13, 43, 47, 65, 169, 215, 235, 559, 611, 845, 2021, 2209, 2795, 3055, 7267, 7943, 10105, 11045, 26273, 28717, 36335, 39715, 94987, 131365, 143585, 341549, 373321, 474935, 1234831, 1707745, 1866605, 6174155, 16052803, 80264015]

約数ペア:

[(1, 80264015), (5, 16052803), (13, 6174155), (43, 1866605), (47, 1707745), (65, 1234831), (169, 474935), (215, 373321), (235, 341549), (559, 143585), (611, 131365), (845, 94987), (2021, 39715), (2209, 36335), (2795, 28717), (3055, 26273), (7267, 11045), (7943, 10105)]