1729420040

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{32779}}^1$

素因数の和:34109

約数の個数: 32

約数和(自身を含む): 3894264000

約数和(自身を除く): 2164843960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 5276, 6595, 10552, 13190, 26380, 32779, 52760, 65558, 131116, 163895, 262232, 327790, 655580, 1311160, 43235501, 86471002, 172942004, 216177505, 345884008, 432355010, 864710020, 1729420040]

約数ペア:

[(1, 1729420040), (2, 864710020), (4, 432355010), (5, 345884008), (8, 216177505), (10, 172942004), (20, 86471002), (40, 43235501), (1319, 1311160), (2638, 655580), (5276, 327790), (6595, 262232), (10552, 163895), (13190, 131116), (26380, 65558), (32779, 52760)]