660203929730

素因数分解:

$2^1\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{16500973}}^1$

素因数の和:16504981

約数の個数: 16

約数和(自身を含む): 1188664163064

約数和(自身を除く): 528460233334

約数列:

[1, 2, 5, 10, 4001, 8002, 20005, 40010, 16500973, 33001946, 82504865, 165009730, 66020392973, 132040785946, 330101964865, 660203929730]

約数ペア:

[(1, 660203929730), (2, 330101964865), (5, 132040785946), (10, 66020392973), (4001, 165009730), (8002, 82504865), (20005, 33001946), (40010, 16500973)]