42691840

素因数分解:

$2^8\times 5^1\times {\mathrm{33353}}^1$

素因数の和:33374

約数の個数: 36

約数和(自身を含む): 102263364

約数和(自身を除く): 59571524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 33353, 66706, 133412, 166765, 266824, 333530, 533648, 667060, 1067296, 1334120, 2134592, 2668240, 4269184, 5336480, 8538368, 10672960, 21345920, 42691840]

約数ペア:

[(1, 42691840), (2, 21345920), (4, 10672960), (5, 8538368), (8, 5336480), (10, 4269184), (16, 2668240), (20, 2134592), (32, 1334120), (40, 1067296), (64, 667060), (80, 533648), (128, 333530), (160, 266824), (256, 166765), (320, 133412), (640, 66706), (1280, 33353)]