11280920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{40289}}^1$

素因数の和:40307

約数の個数: 32

約数和(自身を含む): 29008800

約数和(自身を除く): 17727880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 40289, 80578, 161156, 201445, 282023, 322312, 402890, 564046, 805780, 1128092, 1410115, 1611560, 2256184, 2820230, 5640460, 11280920]

約数ペア:

[(1, 11280920), (2, 5640460), (4, 2820230), (5, 2256184), (7, 1611560), (8, 1410115), (10, 1128092), (14, 805780), (20, 564046), (28, 402890), (35, 322312), (40, 282023), (56, 201445), (70, 161156), (140, 80578), (280, 40289)]