55080140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19813}}^1$

素因数の和:19961

約数の個数: 24

約数和(自身を含む): 116506320

約数和(自身を除く): 61426180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19813, 39626, 79252, 99065, 198130, 396260, 2754007, 5508014, 11016028, 13770035, 27540070, 55080140]

約数ペア:

[(1, 55080140), (2, 27540070), (4, 13770035), (5, 11016028), (10, 5508014), (20, 2754007), (139, 396260), (278, 198130), (556, 99065), (695, 79252), (1390, 39626), (2780, 19813)]