1655420170120

素因数分解:

$2^3\times 5^1\times {\mathrm{41385504253}}^1$

素因数の和:41385504264

約数の個数: 16

約数和(自身を含む): 3724695382860

約数和(自身を除く): 2069275212740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41385504253, 82771008506, 165542017012, 206927521265, 331084034024, 413855042530, 827710085060, 1655420170120]

約数ペア:

[(1, 1655420170120), (2, 827710085060), (4, 413855042530), (5, 331084034024), (8, 206927521265), (10, 165542017012), (20, 82771008506), (40, 41385504253)]