12780710

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 23887872

約数和(自身を除く): 11107162

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 383, 470, 710, 766, 1915, 3337, 3830, 6674, 16685, 18001, 27193, 33370, 36002, 54386, 90005, 135965, 180010, 271930, 1278071, 2556142, 6390355, 12780710]

約数ペア:

[(1, 12780710), (2, 6390355), (5, 2556142), (10, 1278071), (47, 271930), (71, 180010), (94, 135965), (142, 90005), (235, 54386), (355, 36002), (383, 33370), (470, 27193), (710, 18001), (766, 16685), (1915, 6674), (3337, 3830)]