89316440

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12907}}^1$

素因数の和:13091

約数の個数: 32

約数和(自身を含む): 202139280

約数和(自身を除く): 112822840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12907, 25814, 51628, 64535, 103256, 129070, 258140, 516280, 2232911, 4465822, 8931644, 11164555, 17863288, 22329110, 44658220, 89316440]

約数ペア:

[(1, 89316440), (2, 44658220), (4, 22329110), (5, 17863288), (8, 11164555), (10, 8931644), (20, 4465822), (40, 2232911), (173, 516280), (346, 258140), (692, 129070), (865, 103256), (1384, 64535), (1730, 51628), (3460, 25814), (6920, 12907)]