71640775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{40361}}^1$

素因数の和:40442

約数の個数: 12

約数和(自身を含む): 90087984

約数和(自身を除く): 18447209

約数列:

[1, 5, 25, 71, 355, 1775, 40361, 201805, 1009025, 2865631, 14328155, 71640775]

約数ペア:

[(1, 71640775), (5, 14328155), (25, 2865631), (71, 1009025), (355, 201805), (1775, 40361)]