129797920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{115891}}^1$

素因数の和:115913

約数の個数: 48

約数和(自身を含む): 350457408

約数和(自身を除く): 220659488

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, 115891, 231782, 463564, 579455, 811237, 927128, 1158910, 1622474, 1854256, 2317820, 3244948, 3708512, 4056185, 4635640, 6489896, 8112370, 9271280, 12979792, 16224740, 18542560, 25959584, 32449480, 64898960, 129797920]

約数ペア:

[(1, 129797920), (2, 64898960), (4, 32449480), (5, 25959584), (7, 18542560), (8, 16224740), (10, 12979792), (14, 9271280), (16, 8112370), (20, 6489896), (28, 4635640), (32, 4056185), (35, 3708512), (40, 3244948), (56, 2317820), (70, 1854256), (80, 1622474), (112, 1158910), (140, 927128), (160, 811237), (224, 579455), (280, 463564), (560, 231782), (1120, 115891)]