1640242520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5858009}}^1$

素因数の和:5858027

約数の個数: 32

約数和(自身を含む): 4217767200

約数和(自身を除く): 2577524680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5858009, 11716018, 23432036, 29290045, 41006063, 46864072, 58580090, 82012126, 117160180, 164024252, 205030315, 234320360, 328048504, 410060630, 820121260, 1640242520]

約数ペア:

[(1, 1640242520), (2, 820121260), (4, 410060630), (5, 328048504), (7, 234320360), (8, 205030315), (10, 164024252), (14, 117160180), (20, 82012126), (28, 58580090), (35, 46864072), (40, 41006063), (56, 29290045), (70, 23432036), (140, 11716018), (280, 5858009)]