12389080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 31272480

約数和(自身を除く): 18883400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 761, 814, 1480, 1522, 1628, 2035, 3044, 3256, 3805, 4070, 6088, 7610, 8140, 8371, 15220, 16280, 16742, 28157, 30440, 33484, 41855, 56314, 66968, 83710, 112628, 140785, 167420, 225256, 281570, 309727, 334840, 563140, 619454, 1126280, 1238908, 1548635, 2477816, 3097270, 6194540, 12389080]

約数ペア:

[(1, 12389080), (2, 6194540), (4, 3097270), (5, 2477816), (8, 1548635), (10, 1238908), (11, 1126280), (20, 619454), (22, 563140), (37, 334840), (40, 309727), (44, 281570), (55, 225256), (74, 167420), (88, 140785), (110, 112628), (148, 83710), (185, 66968), (220, 56314), (296, 41855), (370, 33484), (407, 30440), (440, 28157), (740, 16742), (761, 16280), (814, 15220), (1480, 8371), (1522, 8140), (1628, 7610), (2035, 6088), (3044, 4070), (3256, 3805)]