1680587890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1888301}}^1$

素因数の和:1888397

約数の個数: 16

約数和(自身を含む): 3059049240

約数和(自身を除く): 1378461350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1888301, 3776602, 9441505, 18883010, 168058789, 336117578, 840293945, 1680587890]

約数ペア:

[(1, 1680587890), (2, 840293945), (5, 336117578), (10, 168058789), (89, 18883010), (178, 9441505), (445, 3776602), (890, 1888301)]