72665440

素因数分解:

$2^5\times 5^1\times {\mathrm{454159}}^1$

素因数の和:454174

約数の個数: 24

約数和(自身を含む): 171672480

約数和(自身を除く): 99007040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 454159, 908318, 1816636, 2270795, 3633272, 4541590, 7266544, 9083180, 14533088, 18166360, 36332720, 72665440]

約数ペア:

[(1, 72665440), (2, 36332720), (4, 18166360), (5, 14533088), (8, 9083180), (10, 7266544), (16, 4541590), (20, 3633272), (32, 2270795), (40, 1816636), (80, 908318), (160, 454159)]