66386240

素因数分解:

$2^6\times 5^1\times {\mathrm{207457}}^1$

素因数の和:207474

約数の個数: 28

約数和(自身を含む): 158082996

約数和(自身を除く): 91696756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 207457, 414914, 829828, 1037285, 1659656, 2074570, 3319312, 4149140, 6638624, 8298280, 13277248, 16596560, 33193120, 66386240]

約数ペア:

[(1, 66386240), (2, 33193120), (4, 16596560), (5, 13277248), (8, 8298280), (10, 6638624), (16, 4149140), (20, 3319312), (32, 2074570), (40, 1659656), (64, 1037285), (80, 829828), (160, 414914), (320, 207457)]