2013171320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{384193}}^1$

素因数の和:384335

約数の個数: 32

約数和(自身を含む): 4564224720

約数和(自身を除く): 2551053400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 384193, 768386, 1536772, 1920965, 3073544, 3841930, 7683860, 15367720, 50329283, 100658566, 201317132, 251646415, 402634264, 503292830, 1006585660, 2013171320]

約数ペア:

[(1, 2013171320), (2, 1006585660), (4, 503292830), (5, 402634264), (8, 251646415), (10, 201317132), (20, 100658566), (40, 50329283), (131, 15367720), (262, 7683860), (524, 3841930), (655, 3073544), (1048, 1920965), (1310, 1536772), (2620, 768386), (5240, 384193)]