12690260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 17186860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1559, 1628, 2035, 3118, 4070, 6236, 7795, 8140, 15590, 17149, 31180, 34298, 57683, 68596, 85745, 115366, 171490, 230732, 288415, 342980, 576830, 634513, 1153660, 1269026, 2538052, 3172565, 6345130, 12690260]

約数ペア:

[(1, 12690260), (2, 6345130), (4, 3172565), (5, 2538052), (10, 1269026), (11, 1153660), (20, 634513), (22, 576830), (37, 342980), (44, 288415), (55, 230732), (74, 171490), (110, 115366), (148, 85745), (185, 68596), (220, 57683), (370, 34298), (407, 31180), (740, 17149), (814, 15590), (1559, 8140), (1628, 7795), (2035, 6236), (3118, 4070)]