1261040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1433}}^1$

素因数の和:1457

約数の個数: 40

約数和(自身を含む): 3200688

約数和(自身を除く): 1939648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1433, 2866, 5732, 7165, 11464, 14330, 15763, 22928, 28660, 31526, 57320, 63052, 78815, 114640, 126104, 157630, 252208, 315260, 630520, 1261040]

約数ペア:

[(1, 1261040), (2, 630520), (4, 315260), (5, 252208), (8, 157630), (10, 126104), (11, 114640), (16, 78815), (20, 63052), (22, 57320), (40, 31526), (44, 28660), (55, 22928), (80, 15763), (88, 14330), (110, 11464), (176, 7165), (220, 5732), (440, 2866), (880, 1433)]