102585640

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4001}}^1$

素因数の和:4653

約数の個数: 32

約数和(自身を含む): 231235560

約数和(自身を除く): 128649920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 4001, 5128, 6410, 8002, 12820, 16004, 20005, 25640, 32008, 40010, 80020, 160040, 2564641, 5129282, 10258564, 12823205, 20517128, 25646410, 51292820, 102585640]

約数ペア:

[(1, 102585640), (2, 51292820), (4, 25646410), (5, 20517128), (8, 12823205), (10, 10258564), (20, 5129282), (40, 2564641), (641, 160040), (1282, 80020), (2564, 40010), (3205, 32008), (4001, 25640), (5128, 20005), (6410, 16004), (8002, 12820)]