16814752720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5126449}}^1$

素因数の和:5126503

約数の個数: 40

約数和(自身を含む): 40047827400

約数和(自身を除く): 23233074680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5126449, 10252898, 20505796, 25632245, 41011592, 51264490, 82023184, 102528980, 205057960, 210184409, 410115920, 420368818, 840737636, 1050922045, 1681475272, 2101844090, 3362950544, 4203688180, 8407376360, 16814752720]

約数ペア:

[(1, 16814752720), (2, 8407376360), (4, 4203688180), (5, 3362950544), (8, 2101844090), (10, 1681475272), (16, 1050922045), (20, 840737636), (40, 420368818), (41, 410115920), (80, 210184409), (82, 205057960), (164, 102528980), (205, 82023184), (328, 51264490), (410, 41011592), (656, 25632245), (820, 20505796), (1640, 10252898), (3280, 5126449)]