1823602194020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{142246661}}^1$

素因数の和:142247311

約数の個数: 24

約数和(自身を含む): 3835538994168

約数和(自身を除く): 2011936800148

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 142246661, 284493322, 568986644, 711233305, 1422466610, 2844933220, 91180109701, 182360219402, 364720438804, 455900548505, 911801097010, 1823602194020]

約数ペア:

[(1, 1823602194020), (2, 911801097010), (4, 455900548505), (5, 364720438804), (10, 182360219402), (20, 91180109701), (641, 2844933220), (1282, 1422466610), (2564, 711233305), (3205, 568986644), (6410, 284493322), (12820, 142246661)]