40069955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 50880000

約数和(自身を除く): 10810045

約数列:

[1, 5, 19, 95, 211, 1055, 1999, 4009, 9995, 20045, 37981, 189905, 421789, 2108945, 8013991, 40069955]

約数ペア:

[(1, 40069955), (5, 8013991), (19, 2108945), (95, 421789), (211, 189905), (1055, 37981), (1999, 20045), (4009, 9995)]