87578740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{33427}}^1$

素因数の和:33567

約数の個数: 24

約数和(自身を含む): 185324832

約数和(自身を除く): 97746092

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 33427, 66854, 133708, 167135, 334270, 668540, 4378937, 8757874, 17515748, 21894685, 43789370, 87578740]

約数ペア:

[(1, 87578740), (2, 43789370), (4, 21894685), (5, 17515748), (10, 8757874), (20, 4378937), (131, 668540), (262, 334270), (524, 167135), (655, 133708), (1310, 66854), (2620, 33427)]