2770296040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{635389}}^1$

素因数の和:635509

約数の個数: 32

約数和(自身を含む): 6290361000

約数和(自身を除く): 3520064960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 635389, 1270778, 2541556, 3176945, 5083112, 6353890, 12707780, 25415560, 69257401, 138514802, 277029604, 346287005, 554059208, 692574010, 1385148020, 2770296040]

約数ペア:

[(1, 2770296040), (2, 1385148020), (4, 692574010), (5, 554059208), (8, 346287005), (10, 277029604), (20, 138514802), (40, 69257401), (109, 25415560), (218, 12707780), (436, 6353890), (545, 5083112), (872, 3176945), (1090, 2541556), (2180, 1270778), (4360, 635389)]