16648660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 23711660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1091, 1526, 2180, 2182, 3052, 3815, 4364, 5455, 7630, 7637, 10910, 15260, 15274, 21820, 30548, 38185, 76370, 118919, 152740, 237838, 475676, 594595, 832433, 1189190, 1664866, 2378380, 3329732, 4162165, 8324330, 16648660]

約数ペア:

[(1, 16648660), (2, 8324330), (4, 4162165), (5, 3329732), (7, 2378380), (10, 1664866), (14, 1189190), (20, 832433), (28, 594595), (35, 475676), (70, 237838), (109, 152740), (140, 118919), (218, 76370), (436, 38185), (545, 30548), (763, 21820), (1090, 15274), (1091, 15260), (1526, 10910), (2180, 7637), (2182, 7630), (3052, 5455), (3815, 4364)]