12211420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 28068768

約数和(自身を除く): 15857348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 701, 871, 1340, 1402, 1742, 2804, 3484, 3505, 4355, 7010, 8710, 9113, 14020, 17420, 18226, 36452, 45565, 46967, 91130, 93934, 182260, 187868, 234835, 469670, 610571, 939340, 1221142, 2442284, 3052855, 6105710, 12211420]

約数ペア:

[(1, 12211420), (2, 6105710), (4, 3052855), (5, 2442284), (10, 1221142), (13, 939340), (20, 610571), (26, 469670), (52, 234835), (65, 187868), (67, 182260), (130, 93934), (134, 91130), (260, 46967), (268, 45565), (335, 36452), (670, 18226), (701, 17420), (871, 14020), (1340, 9113), (1402, 8710), (1742, 7010), (2804, 4355), (3484, 3505)]