8945840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 21122160

約数和(自身を除く): 12176320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1669, 2680, 3338, 5360, 6676, 8345, 13352, 16690, 26704, 33380, 66760, 111823, 133520, 223646, 447292, 559115, 894584, 1118230, 1789168, 2236460, 4472920, 8945840]

約数ペア:

[(1, 8945840), (2, 4472920), (4, 2236460), (5, 1789168), (8, 1118230), (10, 894584), (16, 559115), (20, 447292), (40, 223646), (67, 133520), (80, 111823), (134, 66760), (268, 33380), (335, 26704), (536, 16690), (670, 13352), (1072, 8345), (1340, 6676), (1669, 5360), (2680, 3338)]