64930240

素因数分解:

$2^6\times 5^1\times {\mathrm{202907}}^1$

素因数の和:202924

約数の個数: 28

約数和(自身を含む): 154615896

約数和(自身を除く): 89685656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202907, 405814, 811628, 1014535, 1623256, 2029070, 3246512, 4058140, 6493024, 8116280, 12986048, 16232560, 32465120, 64930240]

約数ペア:

[(1, 64930240), (2, 32465120), (4, 16232560), (5, 12986048), (8, 8116280), (10, 6493024), (16, 4058140), (20, 3246512), (32, 2029070), (40, 1623256), (64, 1014535), (80, 811628), (160, 405814), (320, 202907)]