12391960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44257}}^1$

素因数の和:44275

約数の個数: 32

約数和(自身を含む): 31865760

約数和(自身を除く): 19473800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44257, 88514, 177028, 221285, 309799, 354056, 442570, 619598, 885140, 1239196, 1548995, 1770280, 2478392, 3097990, 6195980, 12391960]

約数ペア:

[(1, 12391960), (2, 6195980), (4, 3097990), (5, 2478392), (7, 1770280), (8, 1548995), (10, 1239196), (14, 885140), (20, 619598), (28, 442570), (35, 354056), (40, 309799), (56, 221285), (70, 177028), (140, 88514), (280, 44257)]