81955040

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4973}}^1$

素因数の和:5091

約数の個数: 48

約数和(自身を含む): 195537888

約数和(自身を除く): 113582848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 4973, 8240, 9946, 16480, 19892, 24865, 39784, 49730, 79568, 99460, 159136, 198920, 397840, 512219, 795680, 1024438, 2048876, 2561095, 4097752, 5122190, 8195504, 10244380, 16391008, 20488760, 40977520, 81955040]

約数ペア:

[(1, 81955040), (2, 40977520), (4, 20488760), (5, 16391008), (8, 10244380), (10, 8195504), (16, 5122190), (20, 4097752), (32, 2561095), (40, 2048876), (80, 1024438), (103, 795680), (160, 512219), (206, 397840), (412, 198920), (515, 159136), (824, 99460), (1030, 79568), (1648, 49730), (2060, 39784), (3296, 24865), (4120, 19892), (4973, 16480), (8240, 9946)]