90372280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{33721}}^1$

素因数の和:33799

約数の個数: 32

約数和(自身を含む): 206378640

約数和(自身を除く): 116006360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 33721, 67442, 134884, 168605, 269768, 337210, 674420, 1348840, 2259307, 4518614, 9037228, 11296535, 18074456, 22593070, 45186140, 90372280]

約数ペア:

[(1, 90372280), (2, 45186140), (4, 22593070), (5, 18074456), (8, 11296535), (10, 9037228), (20, 4518614), (40, 2259307), (67, 1348840), (134, 674420), (268, 337210), (335, 269768), (536, 168605), (670, 134884), (1340, 67442), (2680, 33721)]