2016337720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{566387}}^1$

素因数の和:566487

約数の個数: 32

約数和(自身を含む): 4587742800

約数和(自身を除く): 2571405080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 566387, 1132774, 2265548, 2831935, 4531096, 5663870, 11327740, 22655480, 50408443, 100816886, 201633772, 252042215, 403267544, 504084430, 1008168860, 2016337720]

約数ペア:

[(1, 2016337720), (2, 1008168860), (4, 504084430), (5, 403267544), (8, 252042215), (10, 201633772), (20, 100816886), (40, 50408443), (89, 22655480), (178, 11327740), (356, 5663870), (445, 4531096), (712, 2831935), (890, 2265548), (1780, 1132774), (3560, 566387)]