64610240

素因数分解:

$2^6\times 5^1\times {\mathrm{201907}}^1$

素因数の和:201924

約数の個数: 28

約数和(自身を含む): 153853896

約数和(自身を除く): 89243656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 201907, 403814, 807628, 1009535, 1615256, 2019070, 3230512, 4038140, 6461024, 8076280, 12922048, 16152560, 32305120, 64610240]

約数ペア:

[(1, 64610240), (2, 32305120), (4, 16152560), (5, 12922048), (8, 8076280), (10, 6461024), (16, 4038140), (20, 3230512), (32, 2019070), (40, 1615256), (64, 1009535), (80, 807628), (160, 403814), (320, 201907)]