11826640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 20314160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 431, 490, 560, 686, 784, 862, 980, 1372, 1715, 1724, 1960, 2155, 2744, 3017, 3430, 3448, 3920, 4310, 5488, 6034, 6860, 6896, 8620, 12068, 13720, 15085, 17240, 21119, 24136, 27440, 30170, 34480, 42238, 48272, 60340, 84476, 105595, 120680, 147833, 168952, 211190, 241360, 295666, 337904, 422380, 591332, 739165, 844760, 1182664, 1478330, 1689520, 2365328, 2956660, 5913320, 11826640]

約数ペア:

[(1, 11826640), (2, 5913320), (4, 2956660), (5, 2365328), (7, 1689520), (8, 1478330), (10, 1182664), (14, 844760), (16, 739165), (20, 591332), (28, 422380), (35, 337904), (40, 295666), (49, 241360), (56, 211190), (70, 168952), (80, 147833), (98, 120680), (112, 105595), (140, 84476), (196, 60340), (245, 48272), (280, 42238), (343, 34480), (392, 30170), (431, 27440), (490, 24136), (560, 21119), (686, 17240), (784, 15085), (862, 13720), (980, 12068), (1372, 8620), (1715, 6896), (1724, 6860), (1960, 6034), (2155, 5488), (2744, 4310), (3017, 3920), (3430, 3448)]