5640460

素因数分解:

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

素因数の和:40305

約数の個数: 24

約数和(自身を含む): 13537440

約数和(自身を除く): 7896980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 40289, 80578, 161156, 201445, 282023, 402890, 564046, 805780, 1128092, 1410115, 2820230, 5640460]

約数ペア:

[(1, 5640460), (2, 2820230), (4, 1410115), (5, 1128092), (7, 805780), (10, 564046), (14, 402890), (20, 282023), (28, 201445), (35, 161156), (70, 80578), (140, 40289)]