2009161730

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{100609}}^1$

素因数の和:102613

約数の個数: 16

約数和(自身を含む): 3618338040

約数和(自身を除く): 1609176310

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 100609, 201218, 503045, 1006090, 200916173, 401832346, 1004580865, 2009161730]

約数ペア:

[(1, 2009161730), (2, 1004580865), (5, 401832346), (10, 200916173), (1997, 1006090), (3994, 503045), (9985, 201218), (19970, 100609)]