7201408040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1856033}}^1$

素因数の和:1856141

約数の個数: 32

約数和(自身を含む): 16370219880

約数和(自身を除く): 9168811840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 1856033, 3712066, 7424132, 9280165, 14848264, 18560330, 37120660, 74241320, 180035201, 360070402, 720140804, 900176005, 1440281608, 1800352010, 3600704020, 7201408040]

約数ペア:

[(1, 7201408040), (2, 3600704020), (4, 1800352010), (5, 1440281608), (8, 900176005), (10, 720140804), (20, 360070402), (40, 180035201), (97, 74241320), (194, 37120660), (388, 18560330), (485, 14848264), (776, 9280165), (970, 7424132), (1940, 3712066), (3880, 1856033)]