259149890

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{40429}}^1$

素因数の和:41077

約数の個数: 16

約数和(自身を含む): 467209080

約数和(自身を除く): 208059190

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 40429, 80858, 202145, 404290, 25914989, 51829978, 129574945, 259149890]

約数ペア:

[(1, 259149890), (2, 129574945), (5, 51829978), (10, 25914989), (641, 404290), (1282, 202145), (3205, 80858), (6410, 40429)]