66151880

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9137}}^1$

素因数の和:9329

約数の個数: 32

約数和(自身を含む): 149680440

約数和(自身を除く): 83528560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 9137, 18274, 36548, 45685, 73096, 91370, 182740, 365480, 1653797, 3307594, 6615188, 8268985, 13230376, 16537970, 33075940, 66151880]

約数ペア:

[(1, 66151880), (2, 33075940), (4, 16537970), (5, 13230376), (8, 8268985), (10, 6615188), (20, 3307594), (40, 1653797), (181, 365480), (362, 182740), (724, 91370), (905, 73096), (1448, 45685), (1810, 36548), (3620, 18274), (7240, 9137)]