3972091280

素因数分解:

$2^4\times 5^1\times {\mathrm{49651141}}^1$

素因数の和:49651154

約数の個数: 20

約数和(自身を含む): 9235112412

約数和(自身を除く): 5263021132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49651141, 99302282, 198604564, 248255705, 397209128, 496511410, 794418256, 993022820, 1986045640, 3972091280]

約数ペア:

[(1, 3972091280), (2, 1986045640), (4, 993022820), (5, 794418256), (8, 496511410), (10, 397209128), (16, 248255705), (20, 198604564), (40, 99302282), (80, 49651141)]