42808180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16339}}^1$

素因数の和:16479

約数の個数: 24

約数和(自身を含む): 90588960

約数和(自身を除く): 47780780

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 16339, 32678, 65356, 81695, 163390, 326780, 2140409, 4280818, 8561636, 10702045, 21404090, 42808180]

約数ペア:

[(1, 42808180), (2, 21404090), (4, 10702045), (5, 8561636), (10, 4280818), (20, 2140409), (131, 326780), (262, 163390), (524, 81695), (655, 65356), (1310, 32678), (2620, 16339)]