98568020

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2609}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 207181800

約数和(自身を除く): 108613780

約数列:

[1, 2, 4, 5, 10, 20, 1889, 2609, 3778, 5218, 7556, 9445, 10436, 13045, 18890, 26090, 37780, 52180, 4928401, 9856802, 19713604, 24642005, 49284010, 98568020]

約数ペア:

[(1, 98568020), (2, 49284010), (4, 24642005), (5, 19713604), (10, 9856802), (20, 4928401), (1889, 52180), (2609, 37780), (3778, 26090), (5218, 18890), (7556, 13045), (9445, 10436)]