2019639740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1278253}}^1$

素因数の和:1278341

約数の個数: 24

約数和(自身を含む): 4294933440

約数和(自身を除く): 2275293700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1278253, 2556506, 5113012, 6391265, 12782530, 25565060, 100981987, 201963974, 403927948, 504909935, 1009819870, 2019639740]

約数ペア:

[(1, 2019639740), (2, 1009819870), (4, 504909935), (5, 403927948), (10, 201963974), (20, 100981987), (79, 25565060), (158, 12782530), (316, 6391265), (395, 5113012), (790, 2556506), (1580, 1278253)]