13186460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18746980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 719, 917, 1310, 1438, 1834, 2620, 2876, 3595, 3668, 4585, 5033, 7190, 9170, 10066, 14380, 18340, 20132, 25165, 50330, 94189, 100660, 188378, 376756, 470945, 659323, 941890, 1318646, 1883780, 2637292, 3296615, 6593230, 13186460]

約数ペア:

[(1, 13186460), (2, 6593230), (4, 3296615), (5, 2637292), (7, 1883780), (10, 1318646), (14, 941890), (20, 659323), (28, 470945), (35, 376756), (70, 188378), (131, 100660), (140, 94189), (262, 50330), (524, 25165), (655, 20132), (719, 18340), (917, 14380), (1310, 10066), (1438, 9170), (1834, 7190), (2620, 5033), (2876, 4585), (3595, 3668)]