66051940

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7523}}^1$

素因数の和:7971

約数の個数: 24

約数和(自身を含む): 139043520

約数和(自身を除く): 72991580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 7523, 8780, 15046, 30092, 37615, 75230, 150460, 3302597, 6605194, 13210388, 16512985, 33025970, 66051940]

約数ペア:

[(1, 66051940), (2, 33025970), (4, 16512985), (5, 13210388), (10, 6605194), (20, 3302597), (439, 150460), (878, 75230), (1756, 37615), (2195, 30092), (4390, 15046), (7523, 8780)]