164472920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2108

約数の個数: 64

約数和(自身を含む): 388411200

約数和(自身を除く): 223938280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 1997, 2059, 2840, 3994, 4118, 7988, 8236, 9985, 10295, 15976, 16472, 19970, 20590, 39940, 41180, 57913, 79880, 82360, 115826, 141787, 231652, 283574, 289565, 463304, 567148, 579130, 708935, 1134296, 1158260, 1417870, 2316520, 2835740, 4111823, 5671480, 8223646, 16447292, 20559115, 32894584, 41118230, 82236460, 164472920]

約数ペア:

[(1, 164472920), (2, 82236460), (4, 41118230), (5, 32894584), (8, 20559115), (10, 16447292), (20, 8223646), (29, 5671480), (40, 4111823), (58, 2835740), (71, 2316520), (116, 1417870), (142, 1158260), (145, 1134296), (232, 708935), (284, 579130), (290, 567148), (355, 463304), (568, 289565), (580, 283574), (710, 231652), (1160, 141787), (1420, 115826), (1997, 82360), (2059, 79880), (2840, 57913), (3994, 41180), (4118, 39940), (7988, 20590), (8236, 19970), (9985, 16472), (10295, 15976)]