89364520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{319159}}^1$

素因数の和:319177

約数の個数: 32

約数和(自身を含む): 229795200

約数和(自身を除く): 140430680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 319159, 638318, 1276636, 1595795, 2234113, 2553272, 3191590, 4468226, 6383180, 8936452, 11170565, 12766360, 17872904, 22341130, 44682260, 89364520]

約数ペア:

[(1, 89364520), (2, 44682260), (4, 22341130), (5, 17872904), (7, 12766360), (8, 11170565), (10, 8936452), (14, 6383180), (20, 4468226), (28, 3191590), (35, 2553272), (40, 2234113), (56, 1595795), (70, 1276636), (140, 638318), (280, 319159)]