2019439825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{4027}}^1$

素因数の和:5593

約数の個数: 24

約数和(自身を含む): 2699146688

約数和(自身を除く): 679706863

約数列:

[1, 5, 13, 25, 65, 325, 1543, 4027, 7715, 20059, 20135, 38575, 52351, 100295, 100675, 261755, 501475, 1308775, 6213661, 31068305, 80777593, 155341525, 403887965, 2019439825]

約数ペア:

[(1, 2019439825), (5, 403887965), (13, 155341525), (25, 80777593), (65, 31068305), (325, 6213661), (1543, 1308775), (4027, 501475), (7715, 261755), (20059, 100675), (20135, 100295), (38575, 52351)]