13125280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11719}}^1$

素因数の和:11741

約数の個数: 48

約数和(自身を含む): 35441280

約数和(自身を除く): 22316000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 11719, 23438, 46876, 58595, 82033, 93752, 117190, 164066, 187504, 234380, 328132, 375008, 410165, 468760, 656264, 820330, 937520, 1312528, 1640660, 1875040, 2625056, 3281320, 6562640, 13125280]

約数ペア:

[(1, 13125280), (2, 6562640), (4, 3281320), (5, 2625056), (7, 1875040), (8, 1640660), (10, 1312528), (14, 937520), (16, 820330), (20, 656264), (28, 468760), (32, 410165), (35, 375008), (40, 328132), (56, 234380), (70, 187504), (80, 164066), (112, 117190), (140, 93752), (160, 82033), (224, 58595), (280, 46876), (560, 23438), (1120, 11719)]