82017920

素因数分解:

$2^7\times 5^1\times {\mathrm{128153}}^1$

素因数の和:128172

約数の個数: 32

約数和(自身を含む): 196075620

約数和(自身を除く): 114057700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128153, 256306, 512612, 640765, 1025224, 1281530, 2050448, 2563060, 4100896, 5126120, 8201792, 10252240, 16403584, 20504480, 41008960, 82017920]

約数ペア:

[(1, 82017920), (2, 41008960), (4, 20504480), (5, 16403584), (8, 10252240), (10, 8201792), (16, 5126120), (20, 4100896), (32, 2563060), (40, 2050448), (64, 1281530), (80, 1025224), (128, 640765), (160, 512612), (320, 256306), (640, 128153)]