129383560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{75223}}^1$

素因数の和:75277

約数の個数: 32

約数和(自身を含む): 297887040

約数和(自身を除く): 168503480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 75223, 150446, 300892, 376115, 601784, 752230, 1504460, 3008920, 3234589, 6469178, 12938356, 16172945, 25876712, 32345890, 64691780, 129383560]

約数ペア:

[(1, 129383560), (2, 64691780), (4, 32345890), (5, 25876712), (8, 16172945), (10, 12938356), (20, 6469178), (40, 3234589), (43, 3008920), (86, 1504460), (172, 752230), (215, 601784), (344, 376115), (430, 300892), (860, 150446), (1720, 75223)]