157898560

素因数分解:

$2^6\times 5^1\times {\mathrm{493433}}^1$

素因数の和:493450

約数の個数: 28

約数和(自身を含む): 375996708

約数和(自身を除く): 218098148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 493433, 986866, 1973732, 2467165, 3947464, 4934330, 7894928, 9868660, 15789856, 19737320, 31579712, 39474640, 78949280, 157898560]

約数ペア:

[(1, 157898560), (2, 78949280), (4, 39474640), (5, 31579712), (8, 19737320), (10, 15789856), (16, 9868660), (20, 7894928), (32, 4934330), (40, 3947464), (64, 2467165), (80, 1973732), (160, 986866), (320, 493433)]