387467720

素因数分解:

$2^3\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{4637}}^1$

素因数の和:6737

約数の個数: 32

約数和(自身を含む): 872407800

約数和(自身を除く): 484940080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2089, 4178, 4637, 8356, 9274, 10445, 16712, 18548, 20890, 23185, 37096, 41780, 46370, 83560, 92740, 185480, 9686693, 19373386, 38746772, 48433465, 77493544, 96866930, 193733860, 387467720]

約数ペア:

[(1, 387467720), (2, 193733860), (4, 96866930), (5, 77493544), (8, 48433465), (10, 38746772), (20, 19373386), (40, 9686693), (2089, 185480), (4178, 92740), (4637, 83560), (8356, 46370), (9274, 41780), (10445, 37096), (16712, 23185), (18548, 20890)]