27891160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63389}}^1$

素因数の和:63411

約数の個数: 32

約数和(自身を含む): 68461200

約数和(自身を除く): 40570040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63389, 126778, 253556, 316945, 507112, 633890, 697279, 1267780, 1394558, 2535560, 2789116, 3486395, 5578232, 6972790, 13945580, 27891160]

約数ペア:

[(1, 27891160), (2, 13945580), (4, 6972790), (5, 5578232), (8, 3486395), (10, 2789116), (11, 2535560), (20, 1394558), (22, 1267780), (40, 697279), (44, 633890), (55, 507112), (88, 316945), (110, 253556), (220, 126778), (440, 63389)]