66717940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3448

約数の個数: 48

約数和(自身を含む): 149643648

約数和(自身を除く): 82925708

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3373, 3956, 4945, 6746, 9890, 13492, 16865, 19780, 33730, 67460, 77579, 145039, 155158, 290078, 310316, 387895, 580156, 725195, 775790, 1450390, 1551580, 2900780, 3335897, 6671794, 13343588, 16679485, 33358970, 66717940]

約数ペア:

[(1, 66717940), (2, 33358970), (4, 16679485), (5, 13343588), (10, 6671794), (20, 3335897), (23, 2900780), (43, 1551580), (46, 1450390), (86, 775790), (92, 725195), (115, 580156), (172, 387895), (215, 310316), (230, 290078), (430, 155158), (460, 145039), (860, 77579), (989, 67460), (1978, 33730), (3373, 19780), (3956, 16865), (4945, 13492), (6746, 9890)]