55414960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 134053920

約数和(自身を除く): 78638960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 181, 215, 344, 356, 362, 430, 445, 688, 712, 724, 860, 890, 905, 1424, 1448, 1720, 1780, 1810, 2896, 3440, 3560, 3620, 3827, 7120, 7240, 7654, 7783, 14480, 15308, 15566, 16109, 19135, 30616, 31132, 32218, 38270, 38915, 61232, 62264, 64436, 76540, 77830, 80545, 124528, 128872, 153080, 155660, 161090, 257744, 306160, 311320, 322180, 622640, 644360, 692687, 1288720, 1385374, 2770748, 3463435, 5541496, 6926870, 11082992, 13853740, 27707480, 55414960]

約数ペア:

[(1, 55414960), (2, 27707480), (4, 13853740), (5, 11082992), (8, 6926870), (10, 5541496), (16, 3463435), (20, 2770748), (40, 1385374), (43, 1288720), (80, 692687), (86, 644360), (89, 622640), (172, 322180), (178, 311320), (181, 306160), (215, 257744), (344, 161090), (356, 155660), (362, 153080), (430, 128872), (445, 124528), (688, 80545), (712, 77830), (724, 76540), (860, 64436), (890, 62264), (905, 61232), (1424, 38915), (1448, 38270), (1720, 32218), (1780, 31132), (1810, 30616), (2896, 19135), (3440, 16109), (3560, 15566), (3620, 15308), (3827, 14480), (7120, 7783), (7240, 7654)]