24920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1$

素因数の和:107

約数の個数: 32

約数和(自身を含む): 64800

約数和(自身を除く): 39880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920]

約数ペア:

[(1, 24920), (2, 12460), (4, 6230), (5, 4984), (7, 3560), (8, 3115), (10, 2492), (14, 1780), (20, 1246), (28, 890), (35, 712), (40, 623), (56, 445), (70, 356), (89, 280), (140, 178)]