2613880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 5948640

約数和(自身を除く): 3334760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 647, 808, 1010, 1294, 2020, 2588, 3235, 4040, 5176, 6470, 12940, 25880, 65347, 130694, 261388, 326735, 522776, 653470, 1306940, 2613880]

約数ペア:

[(1, 2613880), (2, 1306940), (4, 653470), (5, 522776), (8, 326735), (10, 261388), (20, 130694), (40, 65347), (101, 25880), (202, 12940), (404, 6470), (505, 5176), (647, 4040), (808, 3235), (1010, 2588), (1294, 2020)]