2564588020

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{130447}}^1$

素因数の和:131439

約数の個数: 24

約数和(自身を含む): 5391154944

約数和(自身を除く): 2826566924

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4915, 9830, 19660, 130447, 260894, 521788, 652235, 1304470, 2608940, 128229401, 256458802, 512917604, 641147005, 1282294010, 2564588020]

約数ペア:

[(1, 2564588020), (2, 1282294010), (4, 641147005), (5, 512917604), (10, 256458802), (20, 128229401), (983, 2608940), (1966, 1304470), (3932, 652235), (4915, 521788), (9830, 260894), (19660, 130447)]