267980451920

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5067709}}^1$

素因数の和:5068383

約数の個数: 40

約数和(自身を含む): 623997267720

約数和(自身を除く): 356016815800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 52880, 5067709, 10135418, 20270836, 25338545, 40541672, 50677090, 81083344, 101354180, 202708360, 405416720, 3349755649, 6699511298, 13399022596, 16748778245, 26798045192, 33497556490, 53596090384, 66995112980, 133990225960, 267980451920]

約数ペア:

[(1, 267980451920), (2, 133990225960), (4, 66995112980), (5, 53596090384), (8, 33497556490), (10, 26798045192), (16, 16748778245), (20, 13399022596), (40, 6699511298), (80, 3349755649), (661, 405416720), (1322, 202708360), (2644, 101354180), (3305, 81083344), (5288, 50677090), (6610, 40541672), (10576, 25338545), (13220, 20270836), (26440, 10135418), (52880, 5067709)]