27051820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 60248160

約数和(自身を除く): 33196340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 277, 380, 514, 554, 1028, 1108, 1285, 1385, 2570, 2770, 4883, 5140, 5263, 5540, 9766, 10526, 19532, 21052, 24415, 26315, 48830, 52630, 71189, 97660, 105260, 142378, 284756, 355945, 711890, 1352591, 1423780, 2705182, 5410364, 6762955, 13525910, 27051820]

約数ペア:

[(1, 27051820), (2, 13525910), (4, 6762955), (5, 5410364), (10, 2705182), (19, 1423780), (20, 1352591), (38, 711890), (76, 355945), (95, 284756), (190, 142378), (257, 105260), (277, 97660), (380, 71189), (514, 52630), (554, 48830), (1028, 26315), (1108, 24415), (1285, 21052), (1385, 19532), (2570, 10526), (2770, 9766), (4883, 5540), (5140, 5263)]