66259580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{10009}}^1$

素因数の和:10349

約数の個数: 24

約数和(自身を含む): 139579440

約数和(自身を除く): 73319860

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 10009, 20018, 40036, 50045, 100090, 200180, 3312979, 6625958, 13251916, 16564895, 33129790, 66259580]

約数ペア:

[(1, 66259580), (2, 33129790), (4, 16564895), (5, 13251916), (10, 6625958), (20, 3312979), (331, 200180), (662, 100090), (1324, 50045), (1655, 40036), (3310, 20018), (6620, 10009)]