79815560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181399}}^1$

素因数の和:181421

約数の個数: 32

約数和(自身を含む): 195912000

約数和(自身を除く): 116096440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 181399, 362798, 725596, 906995, 1451192, 1813990, 1995389, 3627980, 3990778, 7255960, 7981556, 9976945, 15963112, 19953890, 39907780, 79815560]

約数ペア:

[(1, 79815560), (2, 39907780), (4, 19953890), (5, 15963112), (8, 9976945), (10, 7981556), (11, 7255960), (20, 3990778), (22, 3627980), (40, 1995389), (44, 1813990), (55, 1451192), (88, 906995), (110, 725596), (220, 362798), (440, 181399)]