67658480

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7759}}^1$

素因数の和:7881

約数の個数: 40

約数和(自身を含む): 158769600

約数和(自身を除く): 91111120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 7759, 8720, 15518, 31036, 38795, 62072, 77590, 124144, 155180, 310360, 620720, 845731, 1691462, 3382924, 4228655, 6765848, 8457310, 13531696, 16914620, 33829240, 67658480]

約数ペア:

[(1, 67658480), (2, 33829240), (4, 16914620), (5, 13531696), (8, 8457310), (10, 6765848), (16, 4228655), (20, 3382924), (40, 1691462), (80, 845731), (109, 620720), (218, 310360), (436, 155180), (545, 124144), (872, 77590), (1090, 62072), (1744, 38795), (2180, 31036), (4360, 15518), (7759, 8720)]