51471440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17389}}^1$

素因数の和:17439

約数の個数: 40

約数和(自身を含む): 122912520

約数和(自身を除く): 71441080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 17389, 34778, 69556, 86945, 139112, 173890, 278224, 347780, 643393, 695560, 1286786, 1391120, 2573572, 3216965, 5147144, 6433930, 10294288, 12867860, 25735720, 51471440]

約数ペア:

[(1, 51471440), (2, 25735720), (4, 12867860), (5, 10294288), (8, 6433930), (10, 5147144), (16, 3216965), (20, 2573572), (37, 1391120), (40, 1286786), (74, 695560), (80, 643393), (148, 347780), (185, 278224), (296, 173890), (370, 139112), (592, 86945), (740, 69556), (1480, 34778), (2960, 17389)]