260015240

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{10141}}^1$

素因数の和:10793

約数の個数: 32

約数和(自身を含む): 586004760

約数和(自身を除く): 325989520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 10141, 12820, 20282, 25640, 40564, 50705, 81128, 101410, 202820, 405640, 6500381, 13000762, 26001524, 32501905, 52003048, 65003810, 130007620, 260015240]

約数ペア:

[(1, 260015240), (2, 130007620), (4, 65003810), (5, 52003048), (8, 32501905), (10, 26001524), (20, 13000762), (40, 6500381), (641, 405640), (1282, 202820), (2564, 101410), (3205, 81128), (5128, 50705), (6410, 40564), (10141, 25640), (12820, 20282)]