79131320

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2089}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 178318800

約数和(自身を除く): 99187480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 2089, 3788, 4178, 4735, 7576, 8356, 9470, 10445, 16712, 18940, 20890, 37880, 41780, 83560, 1978283, 3956566, 7913132, 9891415, 15826264, 19782830, 39565660, 79131320]

約数ペア:

[(1, 79131320), (2, 39565660), (4, 19782830), (5, 15826264), (8, 9891415), (10, 7913132), (20, 3956566), (40, 1978283), (947, 83560), (1894, 41780), (2089, 37880), (3788, 20890), (4178, 18940), (4735, 16712), (7576, 10445), (8356, 9470)]