39993955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2358

約数の個数: 16

約数和(自身を含む): 50798880

約数和(自身を除く): 10804925

約数列:

[1, 5, 19, 95, 197, 985, 2137, 3743, 10685, 18715, 40603, 203015, 420989, 2104945, 7998791, 39993955]

約数ペア:

[(1, 39993955), (5, 7998791), (19, 2104945), (95, 420989), (197, 203015), (985, 40603), (2137, 18715), (3743, 10685)]