49840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 133920

約数和(自身を除く): 84080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 7120, 9968, 12460, 24920, 49840]

約数ペア:

[(1, 49840), (2, 24920), (4, 12460), (5, 9968), (7, 7120), (8, 6230), (10, 4984), (14, 3560), (16, 3115), (20, 2492), (28, 1780), (35, 1424), (40, 1246), (56, 890), (70, 712), (80, 623), (89, 560), (112, 445), (140, 356), (178, 280)]