88896040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20389}}^1$

素因数の和:20509

約数の個数: 32

約数和(自身を含む): 201861000

約数和(自身を除く): 112964960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20389, 40778, 81556, 101945, 163112, 203890, 407780, 815560, 2222401, 4444802, 8889604, 11112005, 17779208, 22224010, 44448020, 88896040]

約数ペア:

[(1, 88896040), (2, 44448020), (4, 22224010), (5, 17779208), (8, 11112005), (10, 8889604), (20, 4444802), (40, 2222401), (109, 815560), (218, 407780), (436, 203890), (545, 163112), (872, 101945), (1090, 81556), (2180, 40778), (4360, 20389)]