13022920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1543}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 29459520

約数和(自身を除く): 16436600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1543, 1688, 2110, 3086, 4220, 6172, 7715, 8440, 12344, 15430, 30860, 61720, 325573, 651146, 1302292, 1627865, 2604584, 3255730, 6511460, 13022920]

約数ペア:

[(1, 13022920), (2, 6511460), (4, 3255730), (5, 2604584), (8, 1627865), (10, 1302292), (20, 651146), (40, 325573), (211, 61720), (422, 30860), (844, 15430), (1055, 12344), (1543, 8440), (1688, 7715), (2110, 6172), (3086, 4220)]