71455820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50321}}^1$

素因数の和:50401

約数の個数: 24

約数和(自身を含む): 152173728

約数和(自身を除く): 80717908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50321, 100642, 201284, 251605, 503210, 1006420, 3572791, 7145582, 14291164, 17863955, 35727910, 71455820]

約数ペア:

[(1, 71455820), (2, 35727910), (4, 17863955), (5, 14291164), (10, 7145582), (20, 3572791), (71, 1006420), (142, 503210), (284, 251605), (355, 201284), (710, 100642), (1420, 50321)]