2064640

素因数分解:

$2^8\times 5^1\times {\mathrm{1613}}^1$

素因数の和:1634

約数の個数: 36

約数和(自身を含む): 4948524

約数和(自身を除く): 2883884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1613, 3226, 6452, 8065, 12904, 16130, 25808, 32260, 51616, 64520, 103232, 129040, 206464, 258080, 412928, 516160, 1032320, 2064640]

約数ペア:

[(1, 2064640), (2, 1032320), (4, 516160), (5, 412928), (8, 258080), (10, 206464), (16, 129040), (20, 103232), (32, 64520), (40, 51616), (64, 32260), (80, 25808), (128, 16130), (160, 12904), (256, 8065), (320, 6452), (640, 3226), (1280, 1613)]