2008405780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1209883}}^1$

素因数の和:1209975

約数の個数: 24

約数和(自身を含む): 4268470752

約数和(自身を除く): 2260064972

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1209883, 2419766, 4839532, 6049415, 12098830, 24197660, 100420289, 200840578, 401681156, 502101445, 1004202890, 2008405780]

約数ペア:

[(1, 2008405780), (2, 1004202890), (4, 502101445), (5, 401681156), (10, 200840578), (20, 100420289), (83, 24197660), (166, 12098830), (332, 6049415), (415, 4839532), (830, 2419766), (1660, 1209883)]