66148220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45307}}^1$

素因数の和:45389

約数の個数: 24

約数和(自身を含む): 140817264

約数和(自身を除く): 74669044

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45307, 90614, 181228, 226535, 453070, 906140, 3307411, 6614822, 13229644, 16537055, 33074110, 66148220]

約数ペア:

[(1, 66148220), (2, 33074110), (4, 16537055), (5, 13229644), (10, 6614822), (20, 3307411), (73, 906140), (146, 453070), (292, 226535), (365, 181228), (730, 90614), (1460, 45307)]