788828020

素因数分解:

$2^2\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{21013}}^1$

素因数の和:22899

約数の個数: 24

約数和(自身を含む): 1657500264

約数和(自身を除く): 868672244

約数列:

[1, 2, 4, 5, 10, 20, 1877, 3754, 7508, 9385, 18770, 21013, 37540, 42026, 84052, 105065, 210130, 420260, 39441401, 78882802, 157765604, 197207005, 394414010, 788828020]

約数ペア:

[(1, 788828020), (2, 394414010), (4, 197207005), (5, 157765604), (10, 78882802), (20, 39441401), (1877, 420260), (3754, 210130), (7508, 105065), (9385, 84052), (18770, 42026), (21013, 37540)]